Home / 11,101.38-15,319.90-6,133.38

Finding the Fourth Proportional to 11,101.38, 15,319.90 and 6,133.38

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Solution

The fourth proportional to 11,101.38, 15,319.90 and 6,133.38 is: 8,464.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,101.38 : 15,319.90 = 6,133.38 : x
  2. Step 2: Convert to fraction form
    11,101.38/15,319.90 = 6,133.38/x
  3. Step 3: Cross multiply
    11,101.38x = 15,319.90 × 6,133.38
  4. Step 4: Simplify right side
    11,101.38x = 93,962,768.26
  5. Step 5: Solve for x
    x = 93,962,768.26/11,101.38
  6. Step 6: Final answer
    x = 8,464.06

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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.