Home / 14,043.23-21,067.01-5,278.76

Finding the Fourth Proportional to 14,043.23, 21,067.01 and 5,278.76

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Solution

The fourth proportional to 14,043.23, 21,067.01 and 5,278.76 is: 7,918.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,043.23 : 21,067.01 = 5,278.76 : x
  2. Step 2: Convert to fraction form
    14,043.23/21,067.01 = 5,278.76/x
  3. Step 3: Cross multiply
    14,043.23x = 21,067.01 × 5,278.76
  4. Step 4: Simplify right side
    14,043.23x = 111,207,663.31
  5. Step 5: Solve for x
    x = 111,207,663.31/14,043.23
  6. Step 6: Final answer
    x = 7,918.95

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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.