Home / 14,013.08-19,338.20-7,725.68

Finding the Fourth Proportional to 14,013.08, 19,338.20 and 7,725.68

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Solution

The fourth proportional to 14,013.08, 19,338.20 and 7,725.68 is: 10,661.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,013.08 : 19,338.20 = 7,725.68 : x
  2. Step 2: Convert to fraction form
    14,013.08/19,338.20 = 7,725.68/x
  3. Step 3: Cross multiply
    14,013.08x = 19,338.20 × 7,725.68
  4. Step 4: Simplify right side
    14,013.08x = 149,400,744.98
  5. Step 5: Solve for x
    x = 149,400,744.98/14,013.08
  6. Step 6: Final answer
    x = 10,661.52

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Half scale
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Double scale
Find fourth proportional to 14,014.08, 19,339.58 and 7,726.68
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.