Home / 9,117.12-13,665.96-3,851.04

Finding the Fourth Proportional to 9,117.12, 13,665.96 and 3,851.04

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Solution

The fourth proportional to 9,117.12, 13,665.96 and 3,851.04 is: 5,772.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,117.12 : 13,665.96 = 3,851.04 : x
  2. Step 2: Convert to fraction form
    9,117.12/13,665.96 = 3,851.04/x
  3. Step 3: Cross multiply
    9,117.12x = 13,665.96 × 3,851.04
  4. Step 4: Simplify right side
    9,117.12x = 52,628,158.60
  5. Step 5: Solve for x
    x = 52,628,158.60/9,117.12
  6. Step 6: Final answer
    x = 5,772.45

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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.