Home / 13,773.17-20,659.57-3,385.01

Finding the Fourth Proportional to 13,773.17, 20,659.57 and 3,385.01

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Solution

The fourth proportional to 13,773.17, 20,659.57 and 3,385.01 is: 5,077.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,773.17 : 20,659.57 = 3,385.01 : x
  2. Step 2: Convert to fraction form
    13,773.17/20,659.57 = 3,385.01/x
  3. Step 3: Cross multiply
    13,773.17x = 20,659.57 × 3,385.01
  4. Step 4: Simplify right side
    13,773.17x = 69,932,851.05
  5. Step 5: Solve for x
    x = 69,932,851.05/13,773.17
  6. Step 6: Final answer
    x = 5,077.47

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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.