Home / 21,518.22-32,217.46-10,965.49

Finding the Fourth Proportional to 21,518.22, 32,217.46 and 10,965.49

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Solution

The fourth proportional to 21,518.22, 32,217.46 and 10,965.49 is: 16,417.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,518.22 : 32,217.46 = 10,965.49 : x
  2. Step 2: Convert to fraction form
    21,518.22/32,217.46 = 10,965.49/x
  3. Step 3: Cross multiply
    21,518.22x = 32,217.46 × 10,965.49
  4. Step 4: Simplify right side
    21,518.22x = 353,280,235.46
  5. Step 5: Solve for x
    x = 353,280,235.46/21,518.22
  6. Step 6: Final answer
    x = 16,417.73

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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.