Home / 15,279.12-22,926.84-6,520.20

Finding the Fourth Proportional to 15,279.12, 22,926.84 and 6,520.20

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Solution

The fourth proportional to 15,279.12, 22,926.84 and 6,520.20 is: 9,783.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,279.12 : 22,926.84 = 6,520.20 : x
  2. Step 2: Convert to fraction form
    15,279.12/22,926.84 = 6,520.20/x
  3. Step 3: Cross multiply
    15,279.12x = 22,926.84 × 6,520.20
  4. Step 4: Simplify right side
    15,279.12x = 149,487,582.17
  5. Step 5: Solve for x
    x = 149,487,582.17/15,279.12
  6. Step 6: Final answer
    x = 9,783.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.