Home / 10,944.10-16,416.15-5,112.10

Finding the Fourth Proportional to 10,944.10, 16,416.15 and 5,112.10

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Solution

The fourth proportional to 10,944.10, 16,416.15 and 5,112.10 is: 7,668.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,944.10 : 16,416.15 = 5,112.10 : x
  2. Step 2: Convert to fraction form
    10,944.10/16,416.15 = 5,112.10/x
  3. Step 3: Cross multiply
    10,944.10x = 16,416.15 × 5,112.10
  4. Step 4: Simplify right side
    10,944.10x = 83,921,000.42
  5. Step 5: Solve for x
    x = 83,921,000.42/10,944.10
  6. Step 6: Final answer
    x = 7,668.15

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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.