Home / 12,891.11-19,335.74-4,006.19

Finding the Fourth Proportional to 12,891.11, 19,335.74 and 4,006.19

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Solution

The fourth proportional to 12,891.11, 19,335.74 and 4,006.19 is: 6,009.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,891.11 : 19,335.74 = 4,006.19 : x
  2. Step 2: Convert to fraction form
    12,891.11/19,335.74 = 4,006.19/x
  3. Step 3: Cross multiply
    12,891.11x = 19,335.74 × 4,006.19
  4. Step 4: Simplify right side
    12,891.11x = 77,462,676.54
  5. Step 5: Solve for x
    x = 77,462,676.54/12,891.11
  6. Step 6: Final answer
    x = 6,009.00

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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.