Home / 12,214.99-18,309.66-5,193.37

Finding the Fourth Proportional to 12,214.99, 18,309.66 and 5,193.37

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Solution

The fourth proportional to 12,214.99, 18,309.66 and 5,193.37 is: 7,784.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,214.99 : 18,309.66 = 5,193.37 : x
  2. Step 2: Convert to fraction form
    12,214.99/18,309.66 = 5,193.37/x
  3. Step 3: Cross multiply
    12,214.99x = 18,309.66 × 5,193.37
  4. Step 4: Simplify right side
    12,214.99x = 95,088,838.95
  5. Step 5: Solve for x
    x = 95,088,838.95/12,214.99
  6. Step 6: Final answer
    x = 7,784.60

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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.