Home / 11,915.88-16,444.08-6,610.92

Finding the Fourth Proportional to 11,915.88, 16,444.08 and 6,610.92

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Solution

The fourth proportional to 11,915.88, 16,444.08 and 6,610.92 is: 9,123.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,915.88 : 16,444.08 = 6,610.92 : x
  2. Step 2: Convert to fraction form
    11,915.88/16,444.08 = 6,610.92/x
  3. Step 3: Cross multiply
    11,915.88x = 16,444.08 × 6,610.92
  4. Step 4: Simplify right side
    11,915.88x = 108,710,497.35
  5. Step 5: Solve for x
    x = 108,710,497.35/11,915.88
  6. Step 6: Final answer
    x = 9,123.16

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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.