Home / 11,427.03-17,132.04-7,718.85

Finding the Fourth Proportional to 11,427.03, 17,132.04 and 7,718.85

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Solution

The fourth proportional to 11,427.03, 17,132.04 and 7,718.85 is: 11,572.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,427.03 : 17,132.04 = 7,718.85 : x
  2. Step 2: Convert to fraction form
    11,427.03/17,132.04 = 7,718.85/x
  3. Step 3: Cross multiply
    11,427.03x = 17,132.04 × 7,718.85
  4. Step 4: Simplify right side
    11,427.03x = 132,239,646.95
  5. Step 5: Solve for x
    x = 132,239,646.95/11,427.03
  6. Step 6: Final answer
    x = 11,572.53

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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.