Home / 11,377.03-17,070.96-5,138.95

Finding the Fourth Proportional to 11,377.03, 17,070.96 and 5,138.95

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Solution

The fourth proportional to 11,377.03, 17,070.96 and 5,138.95 is: 7,710.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,377.03 : 17,070.96 = 5,138.95 : x
  2. Step 2: Convert to fraction form
    11,377.03/17,070.96 = 5,138.95/x
  3. Step 3: Cross multiply
    11,377.03x = 17,070.96 × 5,138.95
  4. Step 4: Simplify right side
    11,377.03x = 87,726,809.89
  5. Step 5: Solve for x
    x = 87,726,809.89/11,377.03
  6. Step 6: Final answer
    x = 7,710.87

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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.