Home / 10,330.20-15,490.08-4,484.16

Finding the Fourth Proportional to 10,330.20, 15,490.08 and 4,484.16

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Solution

The fourth proportional to 10,330.20, 15,490.08 and 4,484.16 is: 6,723.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,330.20 : 15,490.08 = 4,484.16 : x
  2. Step 2: Convert to fraction form
    10,330.20/15,490.08 = 4,484.16/x
  3. Step 3: Cross multiply
    10,330.20x = 15,490.08 × 4,484.16
  4. Step 4: Simplify right side
    10,330.20x = 69,459,997.13
  5. Step 5: Solve for x
    x = 69,459,997.13/10,330.20
  6. Step 6: Final answer
    x = 6,723.97

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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.