Home / 22,563.46-31,145.75-13,132.02

Finding the Fourth Proportional to 22,563.46, 31,145.75 and 13,132.02

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Solution

The fourth proportional to 22,563.46, 31,145.75 and 13,132.02 is: 18,126.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,563.46 : 31,145.75 = 13,132.02 : x
  2. Step 2: Convert to fraction form
    22,563.46/31,145.75 = 13,132.02/x
  3. Step 3: Cross multiply
    22,563.46x = 31,145.75 × 13,132.02
  4. Step 4: Simplify right side
    22,563.46x = 409,006,546.25
  5. Step 5: Solve for x
    x = 409,006,546.25/22,563.46
  6. Step 6: Final answer
    x = 18,126.95

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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.