Home / 10,102.57-15,156.23-3,177.07

Finding the Fourth Proportional to 10,102.57, 15,156.23 and 3,177.07

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Solution

The fourth proportional to 10,102.57, 15,156.23 and 3,177.07 is: 4,766.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,102.57 : 15,156.23 = 3,177.07 : x
  2. Step 2: Convert to fraction form
    10,102.57/15,156.23 = 3,177.07/x
  3. Step 3: Cross multiply
    10,102.57x = 15,156.23 × 3,177.07
  4. Step 4: Simplify right side
    10,102.57x = 48,152,403.65
  5. Step 5: Solve for x
    x = 48,152,403.65/10,102.57
  6. Step 6: Final answer
    x = 4,766.35

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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.