Home / 22,585.34-31,165.22-12,511.26

Finding the Fourth Proportional to 22,585.34, 31,165.22 and 12,511.26

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Solution

The fourth proportional to 22,585.34, 31,165.22 and 12,511.26 is: 17,264.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,585.34 : 31,165.22 = 12,511.26 : x
  2. Step 2: Convert to fraction form
    22,585.34/31,165.22 = 12,511.26/x
  3. Step 3: Cross multiply
    22,585.34x = 31,165.22 × 12,511.26
  4. Step 4: Simplify right side
    22,585.34x = 389,916,170.38
  5. Step 5: Solve for x
    x = 389,916,170.38/22,585.34
  6. Step 6: Final answer
    x = 17,264.13

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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.