Home / 10,638.30-15,964.06-4,065.14

Finding the Fourth Proportional to 10,638.30, 15,964.06 and 4,065.14

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Solution

The fourth proportional to 10,638.30, 15,964.06 and 4,065.14 is: 6,100.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,638.30 : 15,964.06 = 4,065.14 : x
  2. Step 2: Convert to fraction form
    10,638.30/15,964.06 = 4,065.14/x
  3. Step 3: Cross multiply
    10,638.30x = 15,964.06 × 4,065.14
  4. Step 4: Simplify right side
    10,638.30x = 64,896,138.87
  5. Step 5: Solve for x
    x = 64,896,138.87/10,638.30
  6. Step 6: Final answer
    x = 6,100.24

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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.