Home / 21,818.92-32,722.80-9,340.96

Finding the Fourth Proportional to 21,818.92, 32,722.80 and 9,340.96

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Solution

The fourth proportional to 21,818.92, 32,722.80 and 9,340.96 is: 14,009.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,818.92 : 32,722.80 = 9,340.96 : x
  2. Step 2: Convert to fraction form
    21,818.92/32,722.80 = 9,340.96/x
  3. Step 3: Cross multiply
    21,818.92x = 32,722.80 × 9,340.96
  4. Step 4: Simplify right side
    21,818.92x = 305,662,365.89
  5. Step 5: Solve for x
    x = 305,662,365.89/21,818.92
  6. Step 6: Final answer
    x = 14,009.05

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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.