Home / 13,769.06-20,656.02-4,887.11

Finding the Fourth Proportional to 13,769.06, 20,656.02 and 4,887.11

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Solution

The fourth proportional to 13,769.06, 20,656.02 and 4,887.11 is: 7,331.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,769.06 : 20,656.02 = 4,887.11 : x
  2. Step 2: Convert to fraction form
    13,769.06/20,656.02 = 4,887.11/x
  3. Step 3: Cross multiply
    13,769.06x = 20,656.02 × 4,887.11
  4. Step 4: Simplify right side
    13,769.06x = 100,948,241.90
  5. Step 5: Solve for x
    x = 100,948,241.90/13,769.06
  6. Step 6: Final answer
    x = 7,331.53

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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.