Home / 11,065.76-15,273.96-7,291.70

Finding the Fourth Proportional to 11,065.76, 15,273.96 and 7,291.70

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Solution

The fourth proportional to 11,065.76, 15,273.96 and 7,291.70 is: 10,064.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,065.76 : 15,273.96 = 7,291.70 : x
  2. Step 2: Convert to fraction form
    11,065.76/15,273.96 = 7,291.70/x
  3. Step 3: Cross multiply
    11,065.76x = 15,273.96 × 7,291.70
  4. Step 4: Simplify right side
    11,065.76x = 111,373,134.13
  5. Step 5: Solve for x
    x = 111,373,134.13/11,065.76
  6. Step 6: Final answer
    x = 10,064.66

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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.