Home / 14,714.70-20,307.15-8,341.80

Finding the Fourth Proportional to 14,714.70, 20,307.15 and 8,341.80

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Solution

The fourth proportional to 14,714.70, 20,307.15 and 8,341.80 is: 11,512.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,714.70 : 20,307.15 = 8,341.80 : x
  2. Step 2: Convert to fraction form
    14,714.70/20,307.15 = 8,341.80/x
  3. Step 3: Cross multiply
    14,714.70x = 20,307.15 × 8,341.80
  4. Step 4: Simplify right side
    14,714.70x = 169,398,183.87
  5. Step 5: Solve for x
    x = 169,398,183.87/14,714.70
  6. Step 6: Final answer
    x = 11,512.17

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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.