Home / 14,348.49-21,556.56-8,440.53

Finding the Fourth Proportional to 14,348.49, 21,556.56 and 8,440.53

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Solution

The fourth proportional to 14,348.49, 21,556.56 and 8,440.53 is: 12,680.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,348.49 : 21,556.56 = 8,440.53 : x
  2. Step 2: Convert to fraction form
    14,348.49/21,556.56 = 8,440.53/x
  3. Step 3: Cross multiply
    14,348.49x = 21,556.56 × 8,440.53
  4. Step 4: Simplify right side
    14,348.49x = 181,948,791.38
  5. Step 5: Solve for x
    x = 181,948,791.38/14,348.49
  6. Step 6: Final answer
    x = 12,680.69

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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.