Home / 15,380.20-23,068.68-6,613.84

Finding the Fourth Proportional to 15,380.20, 23,068.68 and 6,613.84

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Solution

The fourth proportional to 15,380.20, 23,068.68 and 6,613.84 is: 9,920.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,380.20 : 23,068.68 = 6,613.84 : x
  2. Step 2: Convert to fraction form
    15,380.20/23,068.68 = 6,613.84/x
  3. Step 3: Cross multiply
    15,380.20x = 23,068.68 × 6,613.84
  4. Step 4: Simplify right side
    15,380.20x = 152,572,558.53
  5. Step 5: Solve for x
    x = 152,572,558.53/15,380.20
  6. Step 6: Final answer
    x = 9,920.06

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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.