Home / 10,913.43-15,063.54-6,380.03

Finding the Fourth Proportional to 10,913.43, 15,063.54 and 6,380.03

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Solution

The fourth proportional to 10,913.43, 15,063.54 and 6,380.03 is: 8,806.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,913.43 : 15,063.54 = 6,380.03 : x
  2. Step 2: Convert to fraction form
    10,913.43/15,063.54 = 6,380.03/x
  3. Step 3: Cross multiply
    10,913.43x = 15,063.54 × 6,380.03
  4. Step 4: Simplify right side
    10,913.43x = 96,105,850.84
  5. Step 5: Solve for x
    x = 96,105,850.84/10,913.43
  6. Step 6: Final answer
    x = 8,806.20

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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.