Home / 10,655.30-15,982.28-3,259.17

Finding the Fourth Proportional to 10,655.30, 15,982.28 and 3,259.17

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Solution

The fourth proportional to 10,655.30, 15,982.28 and 3,259.17 is: 4,888.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,655.30 : 15,982.28 = 3,259.17 : x
  2. Step 2: Convert to fraction form
    10,655.30/15,982.28 = 3,259.17/x
  3. Step 3: Cross multiply
    10,655.30x = 15,982.28 × 3,259.17
  4. Step 4: Simplify right side
    10,655.30x = 52,088,963.43
  5. Step 5: Solve for x
    x = 52,088,963.43/10,655.30
  6. Step 6: Final answer
    x = 4,888.55

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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.