Home / 10,011.91-15,019.25-3,437.24

Finding the Fourth Proportional to 10,011.91, 15,019.25 and 3,437.24

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Solution

The fourth proportional to 10,011.91, 15,019.25 and 3,437.24 is: 5,156.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,011.91 : 15,019.25 = 3,437.24 : x
  2. Step 2: Convert to fraction form
    10,011.91/15,019.25 = 3,437.24/x
  3. Step 3: Cross multiply
    10,011.91x = 15,019.25 × 3,437.24
  4. Step 4: Simplify right side
    10,011.91x = 51,624,766.87
  5. Step 5: Solve for x
    x = 51,624,766.87/10,011.91
  6. Step 6: Final answer
    x = 5,156.34

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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.