Home / 14,012.84-19,338.90-7,726.52

Finding the Fourth Proportional to 14,012.84, 19,338.90 and 7,726.52

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Solution

The fourth proportional to 14,012.84, 19,338.90 and 7,726.52 is: 10,663.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,012.84 : 19,338.90 = 7,726.52 : x
  2. Step 2: Convert to fraction form
    14,012.84/19,338.90 = 7,726.52/x
  3. Step 3: Cross multiply
    14,012.84x = 19,338.90 × 7,726.52
  4. Step 4: Simplify right side
    14,012.84x = 149,422,397.63
  5. Step 5: Solve for x
    x = 149,422,397.63/14,012.84
  6. Step 6: Final answer
    x = 10,663.25

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Half scale
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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.