Home / 10,157.60-15,217.68-8,524.64

Finding the Fourth Proportional to 10,157.60, 15,217.68 and 8,524.64

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Solution

The fourth proportional to 10,157.60, 15,217.68 and 8,524.64 is: 12,771.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,157.60 : 15,217.68 = 8,524.64 : x
  2. Step 2: Convert to fraction form
    10,157.60/15,217.68 = 8,524.64/x
  3. Step 3: Cross multiply
    10,157.60x = 15,217.68 × 8,524.64
  4. Step 4: Simplify right side
    10,157.60x = 129,725,243.64
  5. Step 5: Solve for x
    x = 129,725,243.64/10,157.60
  6. Step 6: Final answer
    x = 12,771.25

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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.