Home / 11,637.28-17,458.08-3,851.56

Finding the Fourth Proportional to 11,637.28, 17,458.08 and 3,851.56

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Solution

The fourth proportional to 11,637.28, 17,458.08 and 3,851.56 is: 5,778.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,637.28 : 17,458.08 = 3,851.56 : x
  2. Step 2: Convert to fraction form
    11,637.28/17,458.08 = 3,851.56/x
  3. Step 3: Cross multiply
    11,637.28x = 17,458.08 × 3,851.56
  4. Step 4: Simplify right side
    11,637.28x = 67,240,842.60
  5. Step 5: Solve for x
    x = 67,240,842.60/11,637.28
  6. Step 6: Final answer
    x = 5,778.05

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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.