Home / 11,087.47-15,304.44-7,320.97

Finding the Fourth Proportional to 11,087.47, 15,304.44 and 7,320.97

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Solution

The fourth proportional to 11,087.47, 15,304.44 and 7,320.97 is: 10,105.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,087.47 : 15,304.44 = 7,320.97 : x
  2. Step 2: Convert to fraction form
    11,087.47/15,304.44 = 7,320.97/x
  3. Step 3: Cross multiply
    11,087.47x = 15,304.44 × 7,320.97
  4. Step 4: Simplify right side
    11,087.47x = 112,043,346.11
  5. Step 5: Solve for x
    x = 112,043,346.11/11,087.47
  6. Step 6: Final answer
    x = 10,105.40

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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.