Home / 11,069.53-15,380.78-10,953.97

Finding the Fourth Proportional to 11,069.53, 15,380.78 and 10,953.97

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Solution

The fourth proportional to 11,069.53, 15,380.78 and 10,953.97 is: 15,220.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,069.53 : 15,380.78 = 10,953.97 : x
  2. Step 2: Convert to fraction form
    11,069.53/15,380.78 = 10,953.97/x
  3. Step 3: Cross multiply
    11,069.53x = 15,380.78 × 10,953.97
  4. Step 4: Simplify right side
    11,069.53x = 168,480,602.70
  5. Step 5: Solve for x
    x = 168,480,602.70/11,069.53
  6. Step 6: Final answer
    x = 15,220.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.