Home / 14,290.46-19,718.03-8,982.21

Finding the Fourth Proportional to 14,290.46, 19,718.03 and 8,982.21

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Solution

The fourth proportional to 14,290.46, 19,718.03 and 8,982.21 is: 12,393.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,290.46 : 19,718.03 = 8,982.21 : x
  2. Step 2: Convert to fraction form
    14,290.46/19,718.03 = 8,982.21/x
  3. Step 3: Cross multiply
    14,290.46x = 19,718.03 × 8,982.21
  4. Step 4: Simplify right side
    14,290.46x = 177,111,471.73
  5. Step 5: Solve for x
    x = 177,111,471.73/14,290.46
  6. Step 6: Final answer
    x = 12,393.69

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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.