Home / 13,610.80-20,407.02-4,723.84

Finding the Fourth Proportional to 13,610.80, 20,407.02 and 4,723.84

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Solution

The fourth proportional to 13,610.80, 20,407.02 and 4,723.84 is: 7,082.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,610.80 : 20,407.02 = 4,723.84 : x
  2. Step 2: Convert to fraction form
    13,610.80/20,407.02 = 4,723.84/x
  3. Step 3: Cross multiply
    13,610.80x = 20,407.02 × 4,723.84
  4. Step 4: Simplify right side
    13,610.80x = 96,399,497.36
  5. Step 5: Solve for x
    x = 96,399,497.36/13,610.80
  6. Step 6: Final answer
    x = 7,082.57

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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.