Home / 10,177.60-15,269.10-3,603.10

Finding the Fourth Proportional to 10,177.60, 15,269.10 and 3,603.10

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Solution

The fourth proportional to 10,177.60, 15,269.10 and 3,603.10 is: 5,405.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,177.60 : 15,269.10 = 3,603.10 : x
  2. Step 2: Convert to fraction form
    10,177.60/15,269.10 = 3,603.10/x
  3. Step 3: Cross multiply
    10,177.60x = 15,269.10 × 3,603.10
  4. Step 4: Simplify right side
    10,177.60x = 55,016,094.21
  5. Step 5: Solve for x
    x = 55,016,094.21/10,177.60
  6. Step 6: Final answer
    x = 5,405.61

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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.