Home / 13,046.66-19,565.90-4,279.54

Finding the Fourth Proportional to 13,046.66, 19,565.90 and 4,279.54

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Solution

The fourth proportional to 13,046.66, 19,565.90 and 4,279.54 is: 6,417.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,046.66 : 19,565.90 = 4,279.54 : x
  2. Step 2: Convert to fraction form
    13,046.66/19,565.90 = 4,279.54/x
  3. Step 3: Cross multiply
    13,046.66x = 19,565.90 × 4,279.54
  4. Step 4: Simplify right side
    13,046.66x = 83,733,051.69
  5. Step 5: Solve for x
    x = 83,733,051.69/13,046.66
  6. Step 6: Final answer
    x = 6,417.97

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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.