Home / 10,245.92-15,365.04-8,080.16

Finding the Fourth Proportional to 10,245.92, 15,365.04 and 8,080.16

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Solution

The fourth proportional to 10,245.92, 15,365.04 and 8,080.16 is: 12,117.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,245.92 : 15,365.04 = 8,080.16 : x
  2. Step 2: Convert to fraction form
    10,245.92/15,365.04 = 8,080.16/x
  3. Step 3: Cross multiply
    10,245.92x = 15,365.04 × 8,080.16
  4. Step 4: Simplify right side
    10,245.92x = 124,151,981.61
  5. Step 5: Solve for x
    x = 124,151,981.61/10,245.92
  6. Step 6: Final answer
    x = 12,117.21

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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.