Home / 15,103.60-22,654.80-5,245.12

Finding the Fourth Proportional to 15,103.60, 22,654.80 and 5,245.12

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Solution

The fourth proportional to 15,103.60, 22,654.80 and 5,245.12 is: 7,867.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,103.60 : 22,654.80 = 5,245.12 : x
  2. Step 2: Convert to fraction form
    15,103.60/22,654.80 = 5,245.12/x
  3. Step 3: Cross multiply
    15,103.60x = 22,654.80 × 5,245.12
  4. Step 4: Simplify right side
    15,103.60x = 118,827,144.58
  5. Step 5: Solve for x
    x = 118,827,144.58/15,103.60
  6. Step 6: Final answer
    x = 7,867.47

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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.