Home / 13,934.07-19,227.20-8,267.92

Finding the Fourth Proportional to 13,934.07, 19,227.20 and 8,267.92

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Solution

The fourth proportional to 13,934.07, 19,227.20 and 8,267.92 is: 11,408.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,934.07 : 19,227.20 = 8,267.92 : x
  2. Step 2: Convert to fraction form
    13,934.07/19,227.20 = 8,267.92/x
  3. Step 3: Cross multiply
    13,934.07x = 19,227.20 × 8,267.92
  4. Step 4: Simplify right side
    13,934.07x = 158,968,862.02
  5. Step 5: Solve for x
    x = 158,968,862.02/13,934.07
  6. Step 6: Final answer
    x = 11,408.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.