Home / 12,575.04-18,841.55-8,871.15

Finding the Fourth Proportional to 12,575.04, 18,841.55 and 8,871.15

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Solution

The fourth proportional to 12,575.04, 18,841.55 and 8,871.15 is: 13,291.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,575.04 : 18,841.55 = 8,871.15 : x
  2. Step 2: Convert to fraction form
    12,575.04/18,841.55 = 8,871.15/x
  3. Step 3: Cross multiply
    12,575.04x = 18,841.55 × 8,871.15
  4. Step 4: Simplify right side
    12,575.04x = 167,146,171.93
  5. Step 5: Solve for x
    x = 167,146,171.93/12,575.04
  6. Step 6: Final answer
    x = 13,291.90

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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.