Home / 9,018.40-13,531.92-3,757.36

Finding the Fourth Proportional to 9,018.40, 13,531.92 and 3,757.36

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Solution

The fourth proportional to 9,018.40, 13,531.92 and 3,757.36 is: 5,637.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,018.40 : 13,531.92 = 3,757.36 : x
  2. Step 2: Convert to fraction form
    9,018.40/13,531.92 = 3,757.36/x
  3. Step 3: Cross multiply
    9,018.40x = 13,531.92 × 3,757.36
  4. Step 4: Simplify right side
    9,018.40x = 50,844,294.93
  5. Step 5: Solve for x
    x = 50,844,294.93/9,018.40
  6. Step 6: Final answer
    x = 5,637.84

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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.