Home / 22,651.29-31,253.73-13,698.59

Finding the Fourth Proportional to 22,651.29, 31,253.73 and 13,698.59

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Solution

The fourth proportional to 22,651.29, 31,253.73 and 13,698.59 is: 18,901.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,651.29 : 31,253.73 = 13,698.59 : x
  2. Step 2: Convert to fraction form
    22,651.29/31,253.73 = 13,698.59/x
  3. Step 3: Cross multiply
    22,651.29x = 31,253.73 × 13,698.59
  4. Step 4: Simplify right side
    22,651.29x = 428,132,033.24
  5. Step 5: Solve for x
    x = 428,132,033.24/22,651.29
  6. Step 6: Final answer
    x = 18,901.00

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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.