Home / 8,009.54-12,014.28-2,165.72

Finding the Fourth Proportional to 8,009.54, 12,014.28 and 2,165.72

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Solution

The fourth proportional to 8,009.54, 12,014.28 and 2,165.72 is: 3,248.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,009.54 : 12,014.28 = 2,165.72 : x
  2. Step 2: Convert to fraction form
    8,009.54/12,014.28 = 2,165.72/x
  3. Step 3: Cross multiply
    8,009.54x = 12,014.28 × 2,165.72
  4. Step 4: Simplify right side
    8,009.54x = 26,019,566.48
  5. Step 5: Solve for x
    x = 26,019,566.48/8,009.54
  6. Step 6: Final answer
    x = 3,248.57

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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.