Home / 11,270.67-15,560.61-7,239.13

Finding the Fourth Proportional to 11,270.67, 15,560.61 and 7,239.13

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Solution

The fourth proportional to 11,270.67, 15,560.61 and 7,239.13 is: 9,994.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,270.67 : 15,560.61 = 7,239.13 : x
  2. Step 2: Convert to fraction form
    11,270.67/15,560.61 = 7,239.13/x
  3. Step 3: Cross multiply
    11,270.67x = 15,560.61 × 7,239.13
  4. Step 4: Simplify right side
    11,270.67x = 112,645,239.77
  5. Step 5: Solve for x
    x = 112,645,239.77/11,270.67
  6. Step 6: Final answer
    x = 9,994.55

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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.