Home / 22,631.63-31,230.71-12,560.49

Finding the Fourth Proportional to 22,631.63, 31,230.71 and 12,560.49

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Solution

The fourth proportional to 22,631.63, 31,230.71 and 12,560.49 is: 17,332.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,631.63 : 31,230.71 = 12,560.49 : x
  2. Step 2: Convert to fraction form
    22,631.63/31,230.71 = 12,560.49/x
  3. Step 3: Cross multiply
    22,631.63x = 31,230.71 × 12,560.49
  4. Step 4: Simplify right side
    22,631.63x = 392,272,957.85
  5. Step 5: Solve for x
    x = 392,272,957.85/22,631.63
  6. Step 6: Final answer
    x = 17,332.96

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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.