Home / 10,177.54-15,265.10-2,782.65

Finding the Fourth Proportional to 10,177.54, 15,265.10 and 2,782.65

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Solution

The fourth proportional to 10,177.54, 15,265.10 and 2,782.65 is: 4,173.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,177.54 : 15,265.10 = 2,782.65 : x
  2. Step 2: Convert to fraction form
    10,177.54/15,265.10 = 2,782.65/x
  3. Step 3: Cross multiply
    10,177.54x = 15,265.10 × 2,782.65
  4. Step 4: Simplify right side
    10,177.54x = 42,477,340.28
  5. Step 5: Solve for x
    x = 42,477,340.28/10,177.54
  6. Step 6: Final answer
    x = 4,173.64

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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.