Home / 22,575.97-31,155.06-13,621.74

Finding the Fourth Proportional to 22,575.97, 31,155.06 and 13,621.74

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Solution

The fourth proportional to 22,575.97, 31,155.06 and 13,621.74 is: 18,798.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,575.97 : 31,155.06 = 13,621.74 : x
  2. Step 2: Convert to fraction form
    22,575.97/31,155.06 = 13,621.74/x
  3. Step 3: Cross multiply
    22,575.97x = 31,155.06 × 13,621.74
  4. Step 4: Simplify right side
    22,575.97x = 424,386,159.88
  5. Step 5: Solve for x
    x = 424,386,159.88/22,575.97
  6. Step 6: Final answer
    x = 18,798.14

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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.