Home / 13,648.46-20,471.72-5,326.92

Finding the Fourth Proportional to 13,648.46, 20,471.72 and 5,326.92

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Solution

The fourth proportional to 13,648.46, 20,471.72 and 5,326.92 is: 7,990.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,648.46 : 20,471.72 = 5,326.92 : x
  2. Step 2: Convert to fraction form
    13,648.46/20,471.72 = 5,326.92/x
  3. Step 3: Cross multiply
    13,648.46x = 20,471.72 × 5,326.92
  4. Step 4: Simplify right side
    13,648.46x = 109,051,214.70
  5. Step 5: Solve for x
    x = 109,051,214.70/13,648.46
  6. Step 6: Final answer
    x = 7,990.00

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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.