Home / 21,497.58-32,255.61-11,116.62

Finding the Fourth Proportional to 21,497.58, 32,255.61 and 11,116.62

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Solution

The fourth proportional to 21,497.58, 32,255.61 and 11,116.62 is: 16,679.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,497.58 : 32,255.61 = 11,116.62 : x
  2. Step 2: Convert to fraction form
    21,497.58/32,255.61 = 11,116.62/x
  3. Step 3: Cross multiply
    21,497.58x = 32,255.61 × 11,116.62
  4. Step 4: Simplify right side
    21,497.58x = 358,573,359.24
  5. Step 5: Solve for x
    x = 358,573,359.24/21,497.58
  6. Step 6: Final answer
    x = 16,679.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.