Home / 14,399-19,870.98-8,734.04

Finding the Fourth Proportional to 14,399, 19,870.98 and 8,734.04

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Solution

The fourth proportional to 14,399, 19,870.98 and 8,734.04 is: 12,053.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,399 : 19,870.98 = 8,734.04 : x
  2. Step 2: Convert to fraction form
    14,399/19,870.98 = 8,734.04/x
  3. Step 3: Cross multiply
    14,399x = 19,870.98 × 8,734.04
  4. Step 4: Simplify right side
    14,399x = 173,553,934.16
  5. Step 5: Solve for x
    x = 173,553,934.16/14,399
  6. Step 6: Final answer
    x = 12,053.19

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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.