Home / 22,798.19-31,461.59-13,839.68

Finding the Fourth Proportional to 22,798.19, 31,461.59 and 13,839.68

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Solution

The fourth proportional to 22,798.19, 31,461.59 and 13,839.68 is: 19,098.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,798.19 : 31,461.59 = 13,839.68 : x
  2. Step 2: Convert to fraction form
    22,798.19/31,461.59 = 13,839.68/x
  3. Step 3: Cross multiply
    22,798.19x = 31,461.59 × 13,839.68
  4. Step 4: Simplify right side
    22,798.19x = 435,418,451.14
  5. Step 5: Solve for x
    x = 435,418,451.14/22,798.19
  6. Step 6: Final answer
    x = 19,098.81

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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.