Home / 11,913.24-16,442.24-6,609.76

Finding the Fourth Proportional to 11,913.24, 16,442.24 and 6,609.76

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Solution

The fourth proportional to 11,913.24, 16,442.24 and 6,609.76 is: 9,122.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,913.24 : 16,442.24 = 6,609.76 : x
  2. Step 2: Convert to fraction form
    11,913.24/16,442.24 = 6,609.76/x
  3. Step 3: Cross multiply
    11,913.24x = 16,442.24 × 6,609.76
  4. Step 4: Simplify right side
    11,913.24x = 108,679,330.18
  5. Step 5: Solve for x
    x = 108,679,330.18/11,913.24
  6. Step 6: Final answer
    x = 9,122.57

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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.