Home / 10,577.28-15,862.68-7,311.36

Finding the Fourth Proportional to 10,577.28, 15,862.68 and 7,311.36

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Solution

The fourth proportional to 10,577.28, 15,862.68 and 7,311.36 is: 10,964.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,577.28 : 15,862.68 = 7,311.36 : x
  2. Step 2: Convert to fraction form
    10,577.28/15,862.68 = 7,311.36/x
  3. Step 3: Cross multiply
    10,577.28x = 15,862.68 × 7,311.36
  4. Step 4: Simplify right side
    10,577.28x = 115,977,764.04
  5. Step 5: Solve for x
    x = 115,977,764.04/10,577.28
  6. Step 6: Final answer
    x = 10,964.80

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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.