Home / 9,142.86-13,714.27-3,299.46

Finding the Fourth Proportional to 9,142.86, 13,714.27 and 3,299.46

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Solution

The fourth proportional to 9,142.86, 13,714.27 and 3,299.46 is: 4,949.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,142.86 : 13,714.27 = 3,299.46 : x
  2. Step 2: Convert to fraction form
    9,142.86/13,714.27 = 3,299.46/x
  3. Step 3: Cross multiply
    9,142.86x = 13,714.27 × 3,299.46
  4. Step 4: Simplify right side
    9,142.86x = 45,249,600.23
  5. Step 5: Solve for x
    x = 45,249,600.23/9,142.86
  6. Step 6: Final answer
    x = 4,949.18

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Half scale
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Double scale
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Similar ratio
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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.