Home / 10,047.32-15,065.30-4,122.56

Finding the Fourth Proportional to 10,047.32, 15,065.30 and 4,122.56

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Solution

The fourth proportional to 10,047.32, 15,065.30 and 4,122.56 is: 6,181.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,047.32 : 15,065.30 = 4,122.56 : x
  2. Step 2: Convert to fraction form
    10,047.32/15,065.30 = 4,122.56/x
  3. Step 3: Cross multiply
    10,047.32x = 15,065.30 × 4,122.56
  4. Step 4: Simplify right side
    10,047.32x = 62,107,603.17
  5. Step 5: Solve for x
    x = 62,107,603.17/10,047.32
  6. Step 6: Final answer
    x = 6,181.51

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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.