Home / 10,656.23-15,984.35-5,757.02

Finding the Fourth Proportional to 10,656.23, 15,984.35 and 5,757.02

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Solution

The fourth proportional to 10,656.23, 15,984.35 and 5,757.02 is: 8,635.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,656.23 : 15,984.35 = 5,757.02 : x
  2. Step 2: Convert to fraction form
    10,656.23/15,984.35 = 5,757.02/x
  3. Step 3: Cross multiply
    10,656.23x = 15,984.35 × 5,757.02
  4. Step 4: Simplify right side
    10,656.23x = 92,022,113.93
  5. Step 5: Solve for x
    x = 92,022,113.93/10,656.23
  6. Step 6: Final answer
    x = 8,635.53

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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.