Home / 11,349.46-15,654.04-8,752.80

Finding the Fourth Proportional to 11,349.46, 15,654.04 and 8,752.80

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Solution

The fourth proportional to 11,349.46, 15,654.04 and 8,752.80 is: 12,072.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,349.46 : 15,654.04 = 8,752.80 : x
  2. Step 2: Convert to fraction form
    11,349.46/15,654.04 = 8,752.80/x
  3. Step 3: Cross multiply
    11,349.46x = 15,654.04 × 8,752.80
  4. Step 4: Simplify right side
    11,349.46x = 137,016,681.31
  5. Step 5: Solve for x
    x = 137,016,681.31/11,349.46
  6. Step 6: Final answer
    x = 12,072.53

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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.