Home / 14,227.87-19,634.51-8,259.79

Finding the Fourth Proportional to 14,227.87, 19,634.51 and 8,259.79

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Solution

The fourth proportional to 14,227.87, 19,634.51 and 8,259.79 is: 11,398.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,227.87 : 19,634.51 = 8,259.79 : x
  2. Step 2: Convert to fraction form
    14,227.87/19,634.51 = 8,259.79/x
  3. Step 3: Cross multiply
    14,227.87x = 19,634.51 × 8,259.79
  4. Step 4: Simplify right side
    14,227.87x = 162,176,929.35
  5. Step 5: Solve for x
    x = 162,176,929.35/14,227.87
  6. Step 6: Final answer
    x = 11,398.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.