Home / 10,189.18-15,283.77-6,725.62

Finding the Fourth Proportional to 10,189.18, 15,283.77 and 6,725.62

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Solution

The fourth proportional to 10,189.18, 15,283.77 and 6,725.62 is: 10,088.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,189.18 : 15,283.77 = 6,725.62 : x
  2. Step 2: Convert to fraction form
    10,189.18/15,283.77 = 6,725.62/x
  3. Step 3: Cross multiply
    10,189.18x = 15,283.77 × 6,725.62
  4. Step 4: Simplify right side
    10,189.18x = 102,792,829.19
  5. Step 5: Solve for x
    x = 102,792,829.19/10,189.18
  6. Step 6: Final answer
    x = 10,088.43

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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.