Home / 14,248.73-21,377.84-8,977.65

Finding the Fourth Proportional to 14,248.73, 21,377.84 and 8,977.65

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Solution

The fourth proportional to 14,248.73, 21,377.84 and 8,977.65 is: 13,469.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,248.73 : 21,377.84 = 8,977.65 : x
  2. Step 2: Convert to fraction form
    14,248.73/21,377.84 = 8,977.65/x
  3. Step 3: Cross multiply
    14,248.73x = 21,377.84 × 8,977.65
  4. Step 4: Simplify right side
    14,248.73x = 191,922,720.39
  5. Step 5: Solve for x
    x = 191,922,720.39/14,248.73
  6. Step 6: Final answer
    x = 13,469.47

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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.