Home / 13,724.17-20,586.15-3,863.40

Finding the Fourth Proportional to 13,724.17, 20,586.15 and 3,863.40

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Solution

The fourth proportional to 13,724.17, 20,586.15 and 3,863.40 is: 5,795.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,724.17 : 20,586.15 = 3,863.40 : x
  2. Step 2: Convert to fraction form
    13,724.17/20,586.15 = 3,863.40/x
  3. Step 3: Cross multiply
    13,724.17x = 20,586.15 × 3,863.40
  4. Step 4: Simplify right side
    13,724.17x = 79,532,454.71
  5. Step 5: Solve for x
    x = 79,532,454.71/13,724.17
  6. Step 6: Final answer
    x = 5,795.07

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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.