Home / 11,001.60-15,177.60-7,269.12

Finding the Fourth Proportional to 11,001.60, 15,177.60 and 7,269.12

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Solution

The fourth proportional to 11,001.60, 15,177.60 and 7,269.12 is: 10,028.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,001.60 : 15,177.60 = 7,269.12 : x
  2. Step 2: Convert to fraction form
    11,001.60/15,177.60 = 7,269.12/x
  3. Step 3: Cross multiply
    11,001.60x = 15,177.60 × 7,269.12
  4. Step 4: Simplify right side
    11,001.60x = 110,327,795.71
  5. Step 5: Solve for x
    x = 110,327,795.71/11,001.60
  6. Step 6: Final answer
    x = 10,028.34

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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.