Home / 21,910.06-32,880.93-8,766.10

Finding the Fourth Proportional to 21,910.06, 32,880.93 and 8,766.10

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Solution

The fourth proportional to 21,910.06, 32,880.93 and 8,766.10 is: 13,155.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,910.06 : 32,880.93 = 8,766.10 : x
  2. Step 2: Convert to fraction form
    21,910.06/32,880.93 = 8,766.10/x
  3. Step 3: Cross multiply
    21,910.06x = 32,880.93 × 8,766.10
  4. Step 4: Simplify right side
    21,910.06x = 288,237,520.47
  5. Step 5: Solve for x
    x = 288,237,520.47/21,910.06
  6. Step 6: Final answer
    x = 13,155.49

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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.