Home / 22,581.43-31,164.02-13,631.11

Finding the Fourth Proportional to 22,581.43, 31,164.02 and 13,631.11

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Solution

The fourth proportional to 22,581.43, 31,164.02 and 13,631.11 is: 18,811.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,581.43 : 31,164.02 = 13,631.11 : x
  2. Step 2: Convert to fraction form
    22,581.43/31,164.02 = 13,631.11/x
  3. Step 3: Cross multiply
    22,581.43x = 31,164.02 × 13,631.11
  4. Step 4: Simplify right side
    22,581.43x = 424,800,184.66
  5. Step 5: Solve for x
    x = 424,800,184.66/22,581.43
  6. Step 6: Final answer
    x = 18,811.93

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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.