Home / 11,532.51-15,915.20-6,496.79

Finding the Fourth Proportional to 11,532.51, 15,915.20 and 6,496.79

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Solution

The fourth proportional to 11,532.51, 15,915.20 and 6,496.79 is: 8,965.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,532.51 : 15,915.20 = 6,496.79 : x
  2. Step 2: Convert to fraction form
    11,532.51/15,915.20 = 6,496.79/x
  3. Step 3: Cross multiply
    11,532.51x = 15,915.20 × 6,496.79
  4. Step 4: Simplify right side
    11,532.51x = 103,397,600.15
  5. Step 5: Solve for x
    x = 103,397,600.15/11,532.51
  6. Step 6: Final answer
    x = 8,965.75

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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.