Home / 15,987.04-23,982.60-8,581.34

Finding the Fourth Proportional to 15,987.04, 23,982.60 and 8,581.34

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Solution

The fourth proportional to 15,987.04, 23,982.60 and 8,581.34 is: 12,873.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,987.04 : 23,982.60 = 8,581.34 : x
  2. Step 2: Convert to fraction form
    15,987.04/23,982.60 = 8,581.34/x
  3. Step 3: Cross multiply
    15,987.04x = 23,982.60 × 8,581.34
  4. Step 4: Simplify right side
    15,987.04x = 205,802,844.68
  5. Step 5: Solve for x
    x = 205,802,844.68/15,987.04
  6. Step 6: Final answer
    x = 12,873.11

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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.