Home / 19,116.68-28,675.02-11,231.24

Finding the Fourth Proportional to 19,116.68, 28,675.02 and 11,231.24

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Solution

The fourth proportional to 19,116.68, 28,675.02 and 11,231.24 is: 16,846.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,116.68 : 28,675.02 = 11,231.24 : x
  2. Step 2: Convert to fraction form
    19,116.68/28,675.02 = 11,231.24/x
  3. Step 3: Cross multiply
    19,116.68x = 28,675.02 × 11,231.24
  4. Step 4: Simplify right side
    19,116.68x = 322,056,031.62
  5. Step 5: Solve for x
    x = 322,056,031.62/19,116.68
  6. Step 6: Final answer
    x = 16,846.86

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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.