Home / 10,587.04-15,851.36-7,982.08

Finding the Fourth Proportional to 10,587.04, 15,851.36 and 7,982.08

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Solution

The fourth proportional to 10,587.04, 15,851.36 and 7,982.08 is: 11,951.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,587.04 : 15,851.36 = 7,982.08 : x
  2. Step 2: Convert to fraction form
    10,587.04/15,851.36 = 7,982.08/x
  3. Step 3: Cross multiply
    10,587.04x = 15,851.36 × 7,982.08
  4. Step 4: Simplify right side
    10,587.04x = 126,526,823.63
  5. Step 5: Solve for x
    x = 126,526,823.63/10,587.04
  6. Step 6: Final answer
    x = 11,951.10

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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.