Home / 22,630.39-31,232.23-12,558.90

Finding the Fourth Proportional to 22,630.39, 31,232.23 and 12,558.90

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Solution

The fourth proportional to 22,630.39, 31,232.23 and 12,558.90 is: 17,332.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,630.39 : 31,232.23 = 12,558.90 : x
  2. Step 2: Convert to fraction form
    22,630.39/31,232.23 = 12,558.90/x
  3. Step 3: Cross multiply
    22,630.39x = 31,232.23 × 12,558.90
  4. Step 4: Simplify right side
    22,630.39x = 392,242,434.03
  5. Step 5: Solve for x
    x = 392,242,434.03/22,630.39
  6. Step 6: Final answer
    x = 17,332.55

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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.