Home / 12,836.30-19,246.12-8,440.44

Finding the Fourth Proportional to 12,836.30, 19,246.12 and 8,440.44

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Solution

The fourth proportional to 12,836.30, 19,246.12 and 8,440.44 is: 12,655.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,836.30 : 19,246.12 = 8,440.44 : x
  2. Step 2: Convert to fraction form
    12,836.30/19,246.12 = 8,440.44/x
  3. Step 3: Cross multiply
    12,836.30x = 19,246.12 × 8,440.44
  4. Step 4: Simplify right side
    12,836.30x = 162,445,721.09
  5. Step 5: Solve for x
    x = 162,445,721.09/12,836.30
  6. Step 6: Final answer
    x = 12,655.18

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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.