Home / 10,337.72-15,506.20-3,317.56

Finding the Fourth Proportional to 10,337.72, 15,506.20 and 3,317.56

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Solution

The fourth proportional to 10,337.72, 15,506.20 and 3,317.56 is: 4,976.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,337.72 : 15,506.20 = 3,317.56 : x
  2. Step 2: Convert to fraction form
    10,337.72/15,506.20 = 3,317.56/x
  3. Step 3: Cross multiply
    10,337.72x = 15,506.20 × 3,317.56
  4. Step 4: Simplify right side
    10,337.72x = 51,442,748.87
  5. Step 5: Solve for x
    x = 51,442,748.87/10,337.72
  6. Step 6: Final answer
    x = 4,976.22

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1.5x scale

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.