Home / 13,557.68-20,282.22-11,728.46

Finding the Fourth Proportional to 13,557.68, 20,282.22 and 11,728.46

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Solution

The fourth proportional to 13,557.68, 20,282.22 and 11,728.46 is: 17,545.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,557.68 : 20,282.22 = 11,728.46 : x
  2. Step 2: Convert to fraction form
    13,557.68/20,282.22 = 11,728.46/x
  3. Step 3: Cross multiply
    13,557.68x = 20,282.22 × 11,728.46
  4. Step 4: Simplify right side
    13,557.68x = 237,879,205.98
  5. Step 5: Solve for x
    x = 237,879,205.98/13,557.68
  6. Step 6: Final answer
    x = 17,545.72

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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.