Home / 11,176.40-15,422.67-6,697.91

Finding the Fourth Proportional to 11,176.40, 15,422.67 and 6,697.91

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Solution

The fourth proportional to 11,176.40, 15,422.67 and 6,697.91 is: 9,242.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,176.40 : 15,422.67 = 6,697.91 : x
  2. Step 2: Convert to fraction form
    11,176.40/15,422.67 = 6,697.91/x
  3. Step 3: Cross multiply
    11,176.40x = 15,422.67 × 6,697.91
  4. Step 4: Simplify right side
    11,176.40x = 103,299,694.18
  5. Step 5: Solve for x
    x = 103,299,694.18/11,176.40
  6. Step 6: Final answer
    x = 9,242.66

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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.