Home / 10,659.50-15,989.24-2,868.32

Finding the Fourth Proportional to 10,659.50, 15,989.24 and 2,868.32

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Solution

The fourth proportional to 10,659.50, 15,989.24 and 2,868.32 is: 4,302.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,659.50 : 15,989.24 = 2,868.32 : x
  2. Step 2: Convert to fraction form
    10,659.50/15,989.24 = 2,868.32/x
  3. Step 3: Cross multiply
    10,659.50x = 15,989.24 × 2,868.32
  4. Step 4: Simplify right side
    10,659.50x = 45,862,176.93
  5. Step 5: Solve for x
    x = 45,862,176.93/10,659.50
  6. Step 6: Final answer
    x = 4,302.47

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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.