Home / 10,177.81-15,269.10-3,157.47

Finding the Fourth Proportional to 10,177.81, 15,269.10 and 3,157.47

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Solution

The fourth proportional to 10,177.81, 15,269.10 and 3,157.47 is: 4,736.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,177.81 : 15,269.10 = 3,157.47 : x
  2. Step 2: Convert to fraction form
    10,177.81/15,269.10 = 3,157.47/x
  3. Step 3: Cross multiply
    10,177.81x = 15,269.10 × 3,157.47
  4. Step 4: Simplify right side
    10,177.81x = 48,211,725.18
  5. Step 5: Solve for x
    x = 48,211,725.18/10,177.81
  6. Step 6: Final answer
    x = 4,736.94

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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.