Home / 11,233.12-16,839.84-4,655.20

Finding the Fourth Proportional to 11,233.12, 16,839.84 and 4,655.20

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Solution

The fourth proportional to 11,233.12, 16,839.84 and 4,655.20 is: 6,978.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,233.12 : 16,839.84 = 4,655.20 : x
  2. Step 2: Convert to fraction form
    11,233.12/16,839.84 = 4,655.20/x
  3. Step 3: Cross multiply
    11,233.12x = 16,839.84 × 4,655.20
  4. Step 4: Simplify right side
    11,233.12x = 78,392,823.17
  5. Step 5: Solve for x
    x = 78,392,823.17/11,233.12
  6. Step 6: Final answer
    x = 6,978.72

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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.