Home / 22,655.31-31,263.27-12,584.40

Finding the Fourth Proportional to 22,655.31, 31,263.27 and 12,584.40

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Solution

The fourth proportional to 22,655.31, 31,263.27 and 12,584.40 is: 17,365.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,655.31 : 31,263.27 = 12,584.40 : x
  2. Step 2: Convert to fraction form
    22,655.31/31,263.27 = 12,584.40/x
  3. Step 3: Cross multiply
    22,655.31x = 31,263.27 × 12,584.40
  4. Step 4: Simplify right side
    22,655.31x = 393,429,494.99
  5. Step 5: Solve for x
    x = 393,429,494.99/22,655.31
  6. Step 6: Final answer
    x = 17,365.88

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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.