Home / 13,817.28-20,723.01-4,458.18

Finding the Fourth Proportional to 13,817.28, 20,723.01 and 4,458.18

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Solution

The fourth proportional to 13,817.28, 20,723.01 and 4,458.18 is: 6,686.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,817.28 : 20,723.01 = 4,458.18 : x
  2. Step 2: Convert to fraction form
    13,817.28/20,723.01 = 4,458.18/x
  3. Step 3: Cross multiply
    13,817.28x = 20,723.01 × 4,458.18
  4. Step 4: Simplify right side
    13,817.28x = 92,386,908.72
  5. Step 5: Solve for x
    x = 92,386,908.72/13,817.28
  6. Step 6: Final answer
    x = 6,686.33

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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.