Home / 11,281.30-16,917.90-5,732.80

Finding the Fourth Proportional to 11,281.30, 16,917.90 and 5,732.80

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Solution

The fourth proportional to 11,281.30, 16,917.90 and 5,732.80 is: 8,597.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,281.30 : 16,917.90 = 5,732.80 : x
  2. Step 2: Convert to fraction form
    11,281.30/16,917.90 = 5,732.80/x
  3. Step 3: Cross multiply
    11,281.30x = 16,917.90 × 5,732.80
  4. Step 4: Simplify right side
    11,281.30x = 96,986,937.12
  5. Step 5: Solve for x
    x = 96,986,937.12/11,281.30
  6. Step 6: Final answer
    x = 8,597.14

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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.