Home / 21,509.57-32,251.77-8,346.56

Finding the Fourth Proportional to 21,509.57, 32,251.77 and 8,346.56

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Solution

The fourth proportional to 21,509.57, 32,251.77 and 8,346.56 is: 12,514.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,509.57 : 32,251.77 = 8,346.56 : x
  2. Step 2: Convert to fraction form
    21,509.57/32,251.77 = 8,346.56/x
  3. Step 3: Cross multiply
    21,509.57x = 32,251.77 × 8,346.56
  4. Step 4: Simplify right side
    21,509.57x = 269,191,172.15
  5. Step 5: Solve for x
    x = 269,191,172.15/21,509.57
  6. Step 6: Final answer
    x = 12,514.95

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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.