Home / 14,589.57-20,133.26-8,129.16

Finding the Fourth Proportional to 14,589.57, 20,133.26 and 8,129.16

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Solution

The fourth proportional to 14,589.57, 20,133.26 and 8,129.16 is: 11,218.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,589.57 : 20,133.26 = 8,129.16 : x
  2. Step 2: Convert to fraction form
    14,589.57/20,133.26 = 8,129.16/x
  3. Step 3: Cross multiply
    14,589.57x = 20,133.26 × 8,129.16
  4. Step 4: Simplify right side
    14,589.57x = 163,666,481.70
  5. Step 5: Solve for x
    x = 163,666,481.70/14,589.57
  6. Step 6: Final answer
    x = 11,218.05

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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.