Home / 10,112.85-13,953.33-6,133.86

Finding the Fourth Proportional to 10,112.85, 13,953.33 and 6,133.86

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Solution

The fourth proportional to 10,112.85, 13,953.33 and 6,133.86 is: 8,463.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,112.85 : 13,953.33 = 6,133.86 : x
  2. Step 2: Convert to fraction form
    10,112.85/13,953.33 = 6,133.86/x
  3. Step 3: Cross multiply
    10,112.85x = 13,953.33 × 6,133.86
  4. Step 4: Simplify right side
    10,112.85x = 85,587,772.75
  5. Step 5: Solve for x
    x = 85,587,772.75/10,112.85
  6. Step 6: Final answer
    x = 8,463.27

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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.