Home / 13,219.93-19,832.19-4,454.92

Finding the Fourth Proportional to 13,219.93, 19,832.19 and 4,454.92

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Solution

The fourth proportional to 13,219.93, 19,832.19 and 4,454.92 is: 6,683.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,219.93 : 19,832.19 = 4,454.92 : x
  2. Step 2: Convert to fraction form
    13,219.93/19,832.19 = 4,454.92/x
  3. Step 3: Cross multiply
    13,219.93x = 19,832.19 × 4,454.92
  4. Step 4: Simplify right side
    13,219.93x = 88,350,819.87
  5. Step 5: Solve for x
    x = 88,350,819.87/13,219.93
  6. Step 6: Final answer
    x = 6,683.15

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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.