Home / 10,712.30-16,070.87-5,781.83

Finding the Fourth Proportional to 10,712.30, 16,070.87 and 5,781.83

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Solution

The fourth proportional to 10,712.30, 16,070.87 and 5,781.83 is: 8,674.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,712.30 : 16,070.87 = 5,781.83 : x
  2. Step 2: Convert to fraction form
    10,712.30/16,070.87 = 5,781.83/x
  3. Step 3: Cross multiply
    10,712.30x = 16,070.87 × 5,781.83
  4. Step 4: Simplify right side
    10,712.30x = 92,918,929.03
  5. Step 5: Solve for x
    x = 92,918,929.03/10,712.30
  6. Step 6: Final answer
    x = 8,674.05

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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.