Home / 14,144.65-19,517.45-8,175.17

Finding the Fourth Proportional to 14,144.65, 19,517.45 and 8,175.17

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Solution

The fourth proportional to 14,144.65, 19,517.45 and 8,175.17 is: 11,280.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,144.65 : 19,517.45 = 8,175.17 : x
  2. Step 2: Convert to fraction form
    14,144.65/19,517.45 = 8,175.17/x
  3. Step 3: Cross multiply
    14,144.65x = 19,517.45 × 8,175.17
  4. Step 4: Simplify right side
    14,144.65x = 159,558,492.15
  5. Step 5: Solve for x
    x = 159,558,492.15/14,144.65
  6. Step 6: Final answer
    x = 11,280.48

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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.