Home / 15,680.32-23,520.18-6,320.13

Finding the Fourth Proportional to 15,680.32, 23,520.18 and 6,320.13

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Solution

The fourth proportional to 15,680.32, 23,520.18 and 6,320.13 is: 9,480.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,680.32 : 23,520.18 = 6,320.13 : x
  2. Step 2: Convert to fraction form
    15,680.32/23,520.18 = 6,320.13/x
  3. Step 3: Cross multiply
    15,680.32x = 23,520.18 × 6,320.13
  4. Step 4: Simplify right side
    15,680.32x = 148,650,499.62
  5. Step 5: Solve for x
    x = 148,650,499.62/15,680.32
  6. Step 6: Final answer
    x = 9,480.07

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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.