Home / 10,982.16-16,460.28-5,785.20

Finding the Fourth Proportional to 10,982.16, 16,460.28 and 5,785.20

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Solution

The fourth proportional to 10,982.16, 16,460.28 and 5,785.20 is: 8,670.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,982.16 : 16,460.28 = 5,785.20 : x
  2. Step 2: Convert to fraction form
    10,982.16/16,460.28 = 5,785.20/x
  3. Step 3: Cross multiply
    10,982.16x = 16,460.28 × 5,785.20
  4. Step 4: Simplify right side
    10,982.16x = 95,226,011.86
  5. Step 5: Solve for x
    x = 95,226,011.86/10,982.16
  6. Step 6: Final answer
    x = 8,670.97

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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.