Home / 13,366.50-20,054.61-6,787.68

Finding the Fourth Proportional to 13,366.50, 20,054.61 and 6,787.68

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Solution

The fourth proportional to 13,366.50, 20,054.61 and 6,787.68 is: 10,183.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366.50 : 20,054.61 = 6,787.68 : x
  2. Step 2: Convert to fraction form
    13,366.50/20,054.61 = 6,787.68/x
  3. Step 3: Cross multiply
    13,366.50x = 20,054.61 × 6,787.68
  4. Step 4: Simplify right side
    13,366.50x = 136,124,275.20
  5. Step 5: Solve for x
    x = 136,124,275.20/13,366.50
  6. Step 6: Final answer
    x = 10,183.99

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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.