Home / 13,728.18-20,595.24-4,371.06

Finding the Fourth Proportional to 13,728.18, 20,595.24 and 4,371.06

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Solution

The fourth proportional to 13,728.18, 20,595.24 and 4,371.06 is: 6,557.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,728.18 : 20,595.24 = 4,371.06 : x
  2. Step 2: Convert to fraction form
    13,728.18/20,595.24 = 4,371.06/x
  3. Step 3: Cross multiply
    13,728.18x = 20,595.24 × 4,371.06
  4. Step 4: Simplify right side
    13,728.18x = 90,023,029.75
  5. Step 5: Solve for x
    x = 90,023,029.75/13,728.18
  6. Step 6: Final answer
    x = 6,557.54

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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.