Home / 10,387.04-15,562.83-5,710.97

Finding the Fourth Proportional to 10,387.04, 15,562.83 and 5,710.97

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Solution

The fourth proportional to 10,387.04, 15,562.83 and 5,710.97 is: 8,556.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,387.04 : 15,562.83 = 5,710.97 : x
  2. Step 2: Convert to fraction form
    10,387.04/15,562.83 = 5,710.97/x
  3. Step 3: Cross multiply
    10,387.04x = 15,562.83 × 5,710.97
  4. Step 4: Simplify right side
    10,387.04x = 88,878,777.43
  5. Step 5: Solve for x
    x = 88,878,777.43/10,387.04
  6. Step 6: Final answer
    x = 8,556.70

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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.