Home / 11,001.79-15,194.99-7,458.85

Finding the Fourth Proportional to 11,001.79, 15,194.99 and 7,458.85

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Solution

The fourth proportional to 11,001.79, 15,194.99 and 7,458.85 is: 10,301.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,001.79 : 15,194.99 = 7,458.85 : x
  2. Step 2: Convert to fraction form
    11,001.79/15,194.99 = 7,458.85/x
  3. Step 3: Cross multiply
    11,001.79x = 15,194.99 × 7,458.85
  4. Step 4: Simplify right side
    11,001.79x = 113,337,037.89
  5. Step 5: Solve for x
    x = 113,337,037.89/11,001.79
  6. Step 6: Final answer
    x = 10,301.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.