Home / 11,417.87-17,129.52-3,626.69

Finding the Fourth Proportional to 11,417.87, 17,129.52 and 3,626.69

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Solution

The fourth proportional to 11,417.87, 17,129.52 and 3,626.69 is: 5,440.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,417.87 : 17,129.52 = 3,626.69 : x
  2. Step 2: Convert to fraction form
    11,417.87/17,129.52 = 3,626.69/x
  3. Step 3: Cross multiply
    11,417.87x = 17,129.52 × 3,626.69
  4. Step 4: Simplify right side
    11,417.87x = 62,123,373.24
  5. Step 5: Solve for x
    x = 62,123,373.24/11,417.87
  6. Step 6: Final answer
    x = 5,440.89

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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.