Home / 11,112.08-16,646.12-5,839.20

Finding the Fourth Proportional to 11,112.08, 16,646.12 and 5,839.20

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Solution

The fourth proportional to 11,112.08, 16,646.12 and 5,839.20 is: 8,747.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,112.08 : 16,646.12 = 5,839.20 : x
  2. Step 2: Convert to fraction form
    11,112.08/16,646.12 = 5,839.20/x
  3. Step 3: Cross multiply
    11,112.08x = 16,646.12 × 5,839.20
  4. Step 4: Simplify right side
    11,112.08x = 97,200,023.90
  5. Step 5: Solve for x
    x = 97,200,023.90/11,112.08
  6. Step 6: Final answer
    x = 8,747.24

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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.