Home / 14,636.30-20,197.89-8,348.78

Finding the Fourth Proportional to 14,636.30, 20,197.89 and 8,348.78

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Solution

The fourth proportional to 14,636.30, 20,197.89 and 8,348.78 is: 11,521.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,636.30 : 20,197.89 = 8,348.78 : x
  2. Step 2: Convert to fraction form
    14,636.30/20,197.89 = 8,348.78/x
  3. Step 3: Cross multiply
    14,636.30x = 20,197.89 × 8,348.78
  4. Step 4: Simplify right side
    14,636.30x = 168,627,740.07
  5. Step 5: Solve for x
    x = 168,627,740.07/14,636.30
  6. Step 6: Final answer
    x = 11,521.20

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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.