Home / 12,282.48-18,416.70-11,237.58

Finding the Fourth Proportional to 12,282.48, 18,416.70 and 11,237.58

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Solution

The fourth proportional to 12,282.48, 18,416.70 and 11,237.58 is: 16,849.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,282.48 : 18,416.70 = 11,237.58 : x
  2. Step 2: Convert to fraction form
    12,282.48/18,416.70 = 11,237.58/x
  3. Step 3: Cross multiply
    12,282.48x = 18,416.70 × 11,237.58
  4. Step 4: Simplify right side
    12,282.48x = 206,959,139.59
  5. Step 5: Solve for x
    x = 206,959,139.59/12,282.48
  6. Step 6: Final answer
    x = 16,849.95

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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.