Home / 22,655.43-31,263.48-12,584.57

Finding the Fourth Proportional to 22,655.43, 31,263.48 and 12,584.57

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Solution

The fourth proportional to 22,655.43, 31,263.48 and 12,584.57 is: 17,366.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,655.43 : 31,263.48 = 12,584.57 : x
  2. Step 2: Convert to fraction form
    22,655.43/31,263.48 = 12,584.57/x
  3. Step 3: Cross multiply
    22,655.43x = 31,263.48 × 12,584.57
  4. Step 4: Simplify right side
    22,655.43x = 393,437,296.19
  5. Step 5: Solve for x
    x = 393,437,296.19/22,655.43
  6. Step 6: Final answer
    x = 17,366.14

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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.