Home / 15,117.68-22,676.72-5,257.15

Finding the Fourth Proportional to 15,117.68, 22,676.72 and 5,257.15

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Solution

The fourth proportional to 15,117.68, 22,676.72 and 5,257.15 is: 7,885.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,117.68 : 22,676.72 = 5,257.15 : x
  2. Step 2: Convert to fraction form
    15,117.68/22,676.72 = 5,257.15/x
  3. Step 3: Cross multiply
    15,117.68x = 22,676.72 × 5,257.15
  4. Step 4: Simplify right side
    15,117.68x = 119,214,918.55
  5. Step 5: Solve for x
    x = 119,214,918.55/15,117.68
  6. Step 6: Final answer
    x = 7,885.79

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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.