Home / 12,079.19-16,663.60-8,544.35

Finding the Fourth Proportional to 12,079.19, 16,663.60 and 8,544.35

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Solution

The fourth proportional to 12,079.19, 16,663.60 and 8,544.35 is: 11,787.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,079.19 : 16,663.60 = 8,544.35 : x
  2. Step 2: Convert to fraction form
    12,079.19/16,663.60 = 8,544.35/x
  3. Step 3: Cross multiply
    12,079.19x = 16,663.60 × 8,544.35
  4. Step 4: Simplify right side
    12,079.19x = 142,379,630.66
  5. Step 5: Solve for x
    x = 142,379,630.66/12,079.19
  6. Step 6: Final answer
    x = 11,787.18

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Double scale
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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.