Home / 8,009.05-12,013.59-2,165.66

Finding the Fourth Proportional to 8,009.05, 12,013.59 and 2,165.66

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Solution

The fourth proportional to 8,009.05, 12,013.59 and 2,165.66 is: 3,248.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,009.05 : 12,013.59 = 2,165.66 : x
  2. Step 2: Convert to fraction form
    8,009.05/12,013.59 = 2,165.66/x
  3. Step 3: Cross multiply
    8,009.05x = 12,013.59 × 2,165.66
  4. Step 4: Simplify right side
    8,009.05x = 26,017,372.12
  5. Step 5: Solve for x
    x = 26,017,372.12/8,009.05
  6. Step 6: Final answer
    x = 3,248.50

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Half scale
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Double scale
Find fourth proportional to 8,010.05, 12,015.09 and 2,166.66
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.