Home / 21,500.79-32,263.49-8,351.46

Finding the Fourth Proportional to 21,500.79, 32,263.49 and 8,351.46

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Solution

The fourth proportional to 21,500.79, 32,263.49 and 8,351.46 is: 12,531.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,500.79 : 32,263.49 = 8,351.46 : x
  2. Step 2: Convert to fraction form
    21,500.79/32,263.49 = 8,351.46/x
  3. Step 3: Cross multiply
    21,500.79x = 32,263.49 × 8,351.46
  4. Step 4: Simplify right side
    21,500.79x = 269,447,246.20
  5. Step 5: Solve for x
    x = 269,447,246.20/21,500.79
  6. Step 6: Final answer
    x = 12,531.97

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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.