Home / 11,017.16-15,206.16-9,245.69

Finding the Fourth Proportional to 11,017.16, 15,206.16 and 9,245.69

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Solution

The fourth proportional to 11,017.16, 15,206.16 and 9,245.69 is: 12,761.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,017.16 : 15,206.16 = 9,245.69 : x
  2. Step 2: Convert to fraction form
    11,017.16/15,206.16 = 9,245.69/x
  3. Step 3: Cross multiply
    11,017.16x = 15,206.16 × 9,245.69
  4. Step 4: Simplify right side
    11,017.16x = 140,591,365.42
  5. Step 5: Solve for x
    x = 140,591,365.42/11,017.16
  6. Step 6: Final answer
    x = 12,761.13

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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.