Home / 9,153.12-13,729.33-2,579.13

Finding the Fourth Proportional to 9,153.12, 13,729.33 and 2,579.13

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Solution

The fourth proportional to 9,153.12, 13,729.33 and 2,579.13 is: 3,868.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,153.12 : 13,729.33 = 2,579.13 : x
  2. Step 2: Convert to fraction form
    9,153.12/13,729.33 = 2,579.13/x
  3. Step 3: Cross multiply
    9,153.12x = 13,729.33 × 2,579.13
  4. Step 4: Simplify right side
    9,153.12x = 35,409,726.88
  5. Step 5: Solve for x
    x = 35,409,726.88/9,153.12
  6. Step 6: Final answer
    x = 3,868.60

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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.