Home / 10,888.02-16,331.76-2,680.02

Finding the Fourth Proportional to 10,888.02, 16,331.76 and 2,680.02

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Solution

The fourth proportional to 10,888.02, 16,331.76 and 2,680.02 is: 4,019.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,888.02 : 16,331.76 = 2,680.02 : x
  2. Step 2: Convert to fraction form
    10,888.02/16,331.76 = 2,680.02/x
  3. Step 3: Cross multiply
    10,888.02x = 16,331.76 × 2,680.02
  4. Step 4: Simplify right side
    10,888.02x = 43,769,443.44
  5. Step 5: Solve for x
    x = 43,769,443.44/10,888.02
  6. Step 6: Final answer
    x = 4,019.96

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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.