Home / 14,713.57-20,304.30-8,340.75

Finding the Fourth Proportional to 14,713.57, 20,304.30 and 8,340.75

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Solution

The fourth proportional to 14,713.57, 20,304.30 and 8,340.75 is: 11,509.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,713.57 : 20,304.30 = 8,340.75 : x
  2. Step 2: Convert to fraction form
    14,713.57/20,304.30 = 8,340.75/x
  3. Step 3: Cross multiply
    14,713.57x = 20,304.30 × 8,340.75
  4. Step 4: Simplify right side
    14,713.57x = 169,352,947.00
  5. Step 5: Solve for x
    x = 169,352,947.00/14,713.57
  6. Step 6: Final answer
    x = 11,509.99

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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.