Home / 21,783.92-32,677.32-9,296.96

Finding the Fourth Proportional to 21,783.92, 32,677.32 and 9,296.96

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Solution

The fourth proportional to 21,783.92, 32,677.32 and 9,296.96 is: 13,946.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,783.92 : 32,677.32 = 9,296.96 : x
  2. Step 2: Convert to fraction form
    21,783.92/32,677.32 = 9,296.96/x
  3. Step 3: Cross multiply
    21,783.92x = 32,677.32 × 9,296.96
  4. Step 4: Simplify right side
    21,783.92x = 303,799,736.95
  5. Step 5: Solve for x
    x = 303,799,736.95/21,783.92
  6. Step 6: Final answer
    x = 13,946.05

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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.