Home / 10,204.86-15,311.67-5,528.16

Finding the Fourth Proportional to 10,204.86, 15,311.67 and 5,528.16

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Solution

The fourth proportional to 10,204.86, 15,311.67 and 5,528.16 is: 8,294.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,204.86 : 15,311.67 = 5,528.16 : x
  2. Step 2: Convert to fraction form
    10,204.86/15,311.67 = 5,528.16/x
  3. Step 3: Cross multiply
    10,204.86x = 15,311.67 × 5,528.16
  4. Step 4: Simplify right side
    10,204.86x = 84,645,361.63
  5. Step 5: Solve for x
    x = 84,645,361.63/10,204.86
  6. Step 6: Final answer
    x = 8,294.61

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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.