Home / 10,177.40-15,263.28-3,602.72

Finding the Fourth Proportional to 10,177.40, 15,263.28 and 3,602.72

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Solution

The fourth proportional to 10,177.40, 15,263.28 and 3,602.72 is: 5,403.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,177.40 : 15,263.28 = 3,602.72 : x
  2. Step 2: Convert to fraction form
    10,177.40/15,263.28 = 3,602.72/x
  3. Step 3: Cross multiply
    10,177.40x = 15,263.28 × 3,602.72
  4. Step 4: Simplify right side
    10,177.40x = 54,989,324.12
  5. Step 5: Solve for x
    x = 54,989,324.12/10,177.40
  6. Step 6: Final answer
    x = 5,403.08

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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.