Home / 13,205.28-19,812.33-4,321.02

Finding the Fourth Proportional to 13,205.28, 19,812.33 and 4,321.02

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Solution

The fourth proportional to 13,205.28, 19,812.33 and 4,321.02 is: 6,482.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,205.28 : 19,812.33 = 4,321.02 : x
  2. Step 2: Convert to fraction form
    13,205.28/19,812.33 = 4,321.02/x
  3. Step 3: Cross multiply
    13,205.28x = 19,812.33 × 4,321.02
  4. Step 4: Simplify right side
    13,205.28x = 85,609,474.18
  5. Step 5: Solve for x
    x = 85,609,474.18/13,205.28
  6. Step 6: Final answer
    x = 6,482.97

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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.