Home / 15,100.61-22,549.23-12,332.78

Finding the Fourth Proportional to 15,100.61, 22,549.23 and 12,332.78

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Solution

The fourth proportional to 15,100.61, 22,549.23 and 12,332.78 is: 18,416.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,100.61 : 22,549.23 = 12,332.78 : x
  2. Step 2: Convert to fraction form
    15,100.61/22,549.23 = 12,332.78/x
  3. Step 3: Cross multiply
    15,100.61x = 22,549.23 × 12,332.78
  4. Step 4: Simplify right side
    15,100.61x = 278,094,518.35
  5. Step 5: Solve for x
    x = 278,094,518.35/15,100.61
  6. Step 6: Final answer
    x = 18,416.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.