Home / 14,013.47-19,338.51-7,725.85

Finding the Fourth Proportional to 14,013.47, 19,338.51 and 7,725.85

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Solution

The fourth proportional to 14,013.47, 19,338.51 and 7,725.85 is: 10,661.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,013.47 : 19,338.51 = 7,725.85 : x
  2. Step 2: Convert to fraction form
    14,013.47/19,338.51 = 7,725.85/x
  3. Step 3: Cross multiply
    14,013.47x = 19,338.51 × 7,725.85
  4. Step 4: Simplify right side
    14,013.47x = 149,406,408.11
  5. Step 5: Solve for x
    x = 149,406,408.11/14,013.47
  6. Step 6: Final answer
    x = 10,661.63

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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.