Home / 15,664.76-21,614.23-8,952.59

Finding the Fourth Proportional to 15,664.76, 21,614.23 and 8,952.59

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Solution

The fourth proportional to 15,664.76, 21,614.23 and 8,952.59 is: 12,352.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,664.76 : 21,614.23 = 8,952.59 : x
  2. Step 2: Convert to fraction form
    15,664.76/21,614.23 = 8,952.59/x
  3. Step 3: Cross multiply
    15,664.76x = 21,614.23 × 8,952.59
  4. Step 4: Simplify right side
    15,664.76x = 193,503,339.36
  5. Step 5: Solve for x
    x = 193,503,339.36/15,664.76
  6. Step 6: Final answer
    x = 12,352.78

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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.