Home / 12,645.62-17,459.18-11,317.04

Finding the Fourth Proportional to 12,645.62, 17,459.18 and 11,317.04

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Solution

The fourth proportional to 12,645.62, 17,459.18 and 11,317.04 is: 15,624.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,645.62 : 17,459.18 = 11,317.04 : x
  2. Step 2: Convert to fraction form
    12,645.62/17,459.18 = 11,317.04/x
  3. Step 3: Cross multiply
    12,645.62x = 17,459.18 × 11,317.04
  4. Step 4: Simplify right side
    12,645.62x = 197,586,094.55
  5. Step 5: Solve for x
    x = 197,586,094.55/12,645.62
  6. Step 6: Final answer
    x = 15,624.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.