Home / 13,234.61-18,250.92-8,937.15

Finding the Fourth Proportional to 13,234.61, 18,250.92 and 8,937.15

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Solution

The fourth proportional to 13,234.61, 18,250.92 and 8,937.15 is: 12,324.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,234.61 : 18,250.92 = 8,937.15 : x
  2. Step 2: Convert to fraction form
    13,234.61/18,250.92 = 8,937.15/x
  3. Step 3: Cross multiply
    13,234.61x = 18,250.92 × 8,937.15
  4. Step 4: Simplify right side
    13,234.61x = 163,111,209.68
  5. Step 5: Solve for x
    x = 163,111,209.68/13,234.61
  6. Step 6: Final answer
    x = 12,324.60

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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.