Home / 19,737.71-27,237.43-10,785.20

Finding the Fourth Proportional to 19,737.71, 27,237.43 and 10,785.20

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Solution

The fourth proportional to 19,737.71, 27,237.43 and 10,785.20 is: 14,883.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,737.71 : 27,237.43 = 10,785.20 : x
  2. Step 2: Convert to fraction form
    19,737.71/27,237.43 = 10,785.20/x
  3. Step 3: Cross multiply
    19,737.71x = 27,237.43 × 10,785.20
  4. Step 4: Simplify right side
    19,737.71x = 293,761,160.54
  5. Step 5: Solve for x
    x = 293,761,160.54/19,737.71
  6. Step 6: Final answer
    x = 14,883.25

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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.