Home / 11,522.72-15,902.90-6,744.13

Finding the Fourth Proportional to 11,522.72, 15,902.90 and 6,744.13

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Solution

The fourth proportional to 11,522.72, 15,902.90 and 6,744.13 is: 9,307.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,522.72 : 15,902.90 = 6,744.13 : x
  2. Step 2: Convert to fraction form
    11,522.72/15,902.90 = 6,744.13/x
  3. Step 3: Cross multiply
    11,522.72x = 15,902.90 × 6,744.13
  4. Step 4: Simplify right side
    11,522.72x = 107,251,176.79
  5. Step 5: Solve for x
    x = 107,251,176.79/11,522.72
  6. Step 6: Final answer
    x = 9,307.80

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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.