Home / 11,520.84-17,281.17-9,956.07

Finding the Fourth Proportional to 11,520.84, 17,281.17 and 9,956.07

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Solution

The fourth proportional to 11,520.84, 17,281.17 and 9,956.07 is: 14,934.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,520.84 : 17,281.17 = 9,956.07 : x
  2. Step 2: Convert to fraction form
    11,520.84/17,281.17 = 9,956.07/x
  3. Step 3: Cross multiply
    11,520.84x = 17,281.17 × 9,956.07
  4. Step 4: Simplify right side
    11,520.84x = 172,052,538.20
  5. Step 5: Solve for x
    x = 172,052,538.20/11,520.84
  6. Step 6: Final answer
    x = 14,934.03

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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.