Home / 18,841.06-28,261.59-7,154.28

Finding the Fourth Proportional to 18,841.06, 28,261.59 and 7,154.28

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Solution

The fourth proportional to 18,841.06, 28,261.59 and 7,154.28 is: 10,731.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,841.06 : 28,261.59 = 7,154.28 : x
  2. Step 2: Convert to fraction form
    18,841.06/28,261.59 = 7,154.28/x
  3. Step 3: Cross multiply
    18,841.06x = 28,261.59 × 7,154.28
  4. Step 4: Simplify right side
    18,841.06x = 202,191,292.33
  5. Step 5: Solve for x
    x = 202,191,292.33/18,841.06
  6. Step 6: Final answer
    x = 10,731.42

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.