Home / 21,650.94-32,402.57-13,336.70

Finding the Fourth Proportional to 21,650.94, 32,402.57 and 13,336.70

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Solution

The fourth proportional to 21,650.94, 32,402.57 and 13,336.70 is: 19,959.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,650.94 : 32,402.57 = 13,336.70 : x
  2. Step 2: Convert to fraction form
    21,650.94/32,402.57 = 13,336.70/x
  3. Step 3: Cross multiply
    21,650.94x = 32,402.57 × 13,336.70
  4. Step 4: Simplify right side
    21,650.94x = 432,143,126.62
  5. Step 5: Solve for x
    x = 432,143,126.62/21,650.94
  6. Step 6: Final answer
    x = 19,959.55

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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.