Home / 22,515.22-31,068.95-12,952.56

Finding the Fourth Proportional to 22,515.22, 31,068.95 and 12,952.56

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Solution

The fourth proportional to 22,515.22, 31,068.95 and 12,952.56 is: 17,873.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,515.22 : 31,068.95 = 12,952.56 : x
  2. Step 2: Convert to fraction form
    22,515.22/31,068.95 = 12,952.56/x
  3. Step 3: Cross multiply
    22,515.22x = 31,068.95 × 12,952.56
  4. Step 4: Simplify right side
    22,515.22x = 402,422,471.39
  5. Step 5: Solve for x
    x = 402,422,471.39/22,515.22
  6. Step 6: Final answer
    x = 17,873.35

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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.