Home / 21,332.08-32,002.22-8,183.45

Finding the Fourth Proportional to 21,332.08, 32,002.22 and 8,183.45

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Solution

The fourth proportional to 21,332.08, 32,002.22 and 8,183.45 is: 12,276.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,332.08 : 32,002.22 = 8,183.45 : x
  2. Step 2: Convert to fraction form
    21,332.08/32,002.22 = 8,183.45/x
  3. Step 3: Cross multiply
    21,332.08x = 32,002.22 × 8,183.45
  4. Step 4: Simplify right side
    21,332.08x = 261,888,407.25
  5. Step 5: Solve for x
    x = 261,888,407.25/21,332.08
  6. Step 6: Final answer
    x = 12,276.74

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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.