Home / 21,814.70-32,734.20-9,332.60

Finding the Fourth Proportional to 21,814.70, 32,734.20 and 9,332.60

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Solution

The fourth proportional to 21,814.70, 32,734.20 and 9,332.60 is: 14,004.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,814.70 : 32,734.20 = 9,332.60 : x
  2. Step 2: Convert to fraction form
    21,814.70/32,734.20 = 9,332.60/x
  3. Step 3: Cross multiply
    21,814.70x = 32,734.20 × 9,332.60
  4. Step 4: Simplify right side
    21,814.70x = 305,495,194.92
  5. Step 5: Solve for x
    x = 305,495,194.92/21,814.70
  6. Step 6: Final answer
    x = 14,004.10

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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.