Home / 9,306.45-13,962.15-4,039.20

Finding the Fourth Proportional to 9,306.45, 13,962.15 and 4,039.20

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Solution

The fourth proportional to 9,306.45, 13,962.15 and 4,039.20 is: 6,059.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,306.45 : 13,962.15 = 4,039.20 : x
  2. Step 2: Convert to fraction form
    9,306.45/13,962.15 = 4,039.20/x
  3. Step 3: Cross multiply
    9,306.45x = 13,962.15 × 4,039.20
  4. Step 4: Simplify right side
    9,306.45x = 56,395,916.28
  5. Step 5: Solve for x
    x = 56,395,916.28/9,306.45
  6. Step 6: Final answer
    x = 6,059.87

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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.