Home / 15,450.75-21,322.04-8,377.17

Finding the Fourth Proportional to 15,450.75, 21,322.04 and 8,377.17

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Solution

The fourth proportional to 15,450.75, 21,322.04 and 8,377.17 is: 11,560.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,450.75 : 21,322.04 = 8,377.17 : x
  2. Step 2: Convert to fraction form
    15,450.75/21,322.04 = 8,377.17/x
  3. Step 3: Cross multiply
    15,450.75x = 21,322.04 × 8,377.17
  4. Step 4: Simplify right side
    15,450.75x = 178,618,351.92
  5. Step 5: Solve for x
    x = 178,618,351.92/15,450.75
  6. Step 6: Final answer
    x = 11,560.50

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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.