Home / 10,851.72-16,280.28-7,723.97

Finding the Fourth Proportional to 10,851.72, 16,280.28 and 7,723.97

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Solution

The fourth proportional to 10,851.72, 16,280.28 and 7,723.97 is: 11,587.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,851.72 : 16,280.28 = 7,723.97 : x
  2. Step 2: Convert to fraction form
    10,851.72/16,280.28 = 7,723.97/x
  3. Step 3: Cross multiply
    10,851.72x = 16,280.28 × 7,723.97
  4. Step 4: Simplify right side
    10,851.72x = 125,748,465.54
  5. Step 5: Solve for x
    x = 125,748,465.54/10,851.72
  6. Step 6: Final answer
    x = 11,587.88

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1.5x scale

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.