Home / 11,635.28-17,460.12-8,709.20

Finding the Fourth Proportional to 11,635.28, 17,460.12 and 8,709.20

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Solution

The fourth proportional to 11,635.28, 17,460.12 and 8,709.20 is: 13,069.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,635.28 : 17,460.12 = 8,709.20 : x
  2. Step 2: Convert to fraction form
    11,635.28/17,460.12 = 8,709.20/x
  3. Step 3: Cross multiply
    11,635.28x = 17,460.12 × 8,709.20
  4. Step 4: Simplify right side
    11,635.28x = 152,063,677.10
  5. Step 5: Solve for x
    x = 152,063,677.10/11,635.28
  6. Step 6: Final answer
    x = 13,069.19

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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.