Home / 10,177.92-15,265.66-2,783.02

Finding the Fourth Proportional to 10,177.92, 15,265.66 and 2,783.02

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Solution

The fourth proportional to 10,177.92, 15,265.66 and 2,783.02 is: 4,174.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,177.92 : 15,265.66 = 2,783.02 : x
  2. Step 2: Convert to fraction form
    10,177.92/15,265.66 = 2,783.02/x
  3. Step 3: Cross multiply
    10,177.92x = 15,265.66 × 2,783.02
  4. Step 4: Simplify right side
    10,177.92x = 42,484,637.09
  5. Step 5: Solve for x
    x = 42,484,637.09/10,177.92
  6. Step 6: Final answer
    x = 4,174.20

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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.