Home / 12,357.02-18,536.54-3,591.92

Finding the Fourth Proportional to 12,357.02, 18,536.54 and 3,591.92

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Solution

The fourth proportional to 12,357.02, 18,536.54 and 3,591.92 is: 5,388.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,357.02 : 18,536.54 = 3,591.92 : x
  2. Step 2: Convert to fraction form
    12,357.02/18,536.54 = 3,591.92/x
  3. Step 3: Cross multiply
    12,357.02x = 18,536.54 × 3,591.92
  4. Step 4: Simplify right side
    12,357.02x = 66,581,750.80
  5. Step 5: Solve for x
    x = 66,581,750.80/12,357.02
  6. Step 6: Final answer
    x = 5,388.17

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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.