Home / 11,191.85-15,443.54-6,475.25

Finding the Fourth Proportional to 11,191.85, 15,443.54 and 6,475.25

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Solution

The fourth proportional to 11,191.85, 15,443.54 and 6,475.25 is: 8,935.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,191.85 : 15,443.54 = 6,475.25 : x
  2. Step 2: Convert to fraction form
    11,191.85/15,443.54 = 6,475.25/x
  3. Step 3: Cross multiply
    11,191.85x = 15,443.54 × 6,475.25
  4. Step 4: Simplify right side
    11,191.85x = 100,000,782.39
  5. Step 5: Solve for x
    x = 100,000,782.39/11,191.85
  6. Step 6: Final answer
    x = 8,935.14

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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.