Home / 12,934.36-19,426.15-8,038.21

Finding the Fourth Proportional to 12,934.36, 19,426.15 and 8,038.21

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Solution

The fourth proportional to 12,934.36, 19,426.15 and 8,038.21 is: 12,072.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,934.36 : 19,426.15 = 8,038.21 : x
  2. Step 2: Convert to fraction form
    12,934.36/19,426.15 = 8,038.21/x
  3. Step 3: Cross multiply
    12,934.36x = 19,426.15 × 8,038.21
  4. Step 4: Simplify right side
    12,934.36x = 156,151,473.19
  5. Step 5: Solve for x
    x = 156,151,473.19/12,934.36
  6. Step 6: Final answer
    x = 12,072.61

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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.