Home / 12,808.92-19,215.31-4,043.71

Finding the Fourth Proportional to 12,808.92, 19,215.31 and 4,043.71

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Solution

The fourth proportional to 12,808.92, 19,215.31 and 4,043.71 is: 6,066.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,808.92 : 19,215.31 = 4,043.71 : x
  2. Step 2: Convert to fraction form
    12,808.92/19,215.31 = 4,043.71/x
  3. Step 3: Cross multiply
    12,808.92x = 19,215.31 × 4,043.71
  4. Step 4: Simplify right side
    12,808.92x = 77,701,141.20
  5. Step 5: Solve for x
    x = 77,701,141.20/12,808.92
  6. Step 6: Final answer
    x = 6,066.17

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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.