Home / 10,171.62-15,259.74-3,931.65

Finding the Fourth Proportional to 10,171.62, 15,259.74 and 3,931.65

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Solution

The fourth proportional to 10,171.62, 15,259.74 and 3,931.65 is: 5,898.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,171.62 : 15,259.74 = 3,931.65 : x
  2. Step 2: Convert to fraction form
    10,171.62/15,259.74 = 3,931.65/x
  3. Step 3: Cross multiply
    10,171.62x = 15,259.74 × 3,931.65
  4. Step 4: Simplify right side
    10,171.62x = 59,995,956.77
  5. Step 5: Solve for x
    x = 59,995,956.77/10,171.62
  6. Step 6: Final answer
    x = 5,898.37

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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.