Home / 10,411.20-14,366.88-5,694.54

Finding the Fourth Proportional to 10,411.20, 14,366.88 and 5,694.54

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Solution

The fourth proportional to 10,411.20, 14,366.88 and 5,694.54 is: 7,858.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,411.20 : 14,366.88 = 5,694.54 : x
  2. Step 2: Convert to fraction form
    10,411.20/14,366.88 = 5,694.54/x
  3. Step 3: Cross multiply
    10,411.20x = 14,366.88 × 5,694.54
  4. Step 4: Simplify right side
    10,411.20x = 81,812,772.84
  5. Step 5: Solve for x
    x = 81,812,772.84/10,411.20
  6. Step 6: Final answer
    x = 7,858.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.