Home / 13,035.74-17,989.38-7,067.40

Finding the Fourth Proportional to 13,035.74, 17,989.38 and 7,067.40

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Solution

The fourth proportional to 13,035.74, 17,989.38 and 7,067.40 is: 9,753.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,035.74 : 17,989.38 = 7,067.40 : x
  2. Step 2: Convert to fraction form
    13,035.74/17,989.38 = 7,067.40/x
  3. Step 3: Cross multiply
    13,035.74x = 17,989.38 × 7,067.40
  4. Step 4: Simplify right side
    13,035.74x = 127,138,144.21
  5. Step 5: Solve for x
    x = 127,138,144.21/13,035.74
  6. Step 6: Final answer
    x = 9,753.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.