Home / 12,077.51-18,116.26-5,505.57

Finding the Fourth Proportional to 12,077.51, 18,116.26 and 5,505.57

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Solution

The fourth proportional to 12,077.51, 18,116.26 and 5,505.57 is: 8,258.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,077.51 : 18,116.26 = 5,505.57 : x
  2. Step 2: Convert to fraction form
    12,077.51/18,116.26 = 5,505.57/x
  3. Step 3: Cross multiply
    12,077.51x = 18,116.26 × 5,505.57
  4. Step 4: Simplify right side
    12,077.51x = 99,740,323.80
  5. Step 5: Solve for x
    x = 99,740,323.80/12,077.51
  6. Step 6: Final answer
    x = 8,258.36

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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.