Home / 21,967.60-32,945.18-10,880.86

Finding the Fourth Proportional to 21,967.60, 32,945.18 and 10,880.86

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Solution

The fourth proportional to 21,967.60, 32,945.18 and 10,880.86 is: 16,318.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,967.60 : 32,945.18 = 10,880.86 : x
  2. Step 2: Convert to fraction form
    21,967.60/32,945.18 = 10,880.86/x
  3. Step 3: Cross multiply
    21,967.60x = 32,945.18 × 10,880.86
  4. Step 4: Simplify right side
    21,967.60x = 358,471,891.25
  5. Step 5: Solve for x
    x = 358,471,891.25/21,967.60
  6. Step 6: Final answer
    x = 16,318.21

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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.