Home / 13,219.82-19,833.06-9,331.82

Finding the Fourth Proportional to 13,219.82, 19,833.06 and 9,331.82

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Solution

The fourth proportional to 13,219.82, 19,833.06 and 9,331.82 is: 14,000.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,219.82 : 19,833.06 = 9,331.82 : x
  2. Step 2: Convert to fraction form
    13,219.82/19,833.06 = 9,331.82/x
  3. Step 3: Cross multiply
    13,219.82x = 19,833.06 × 9,331.82
  4. Step 4: Simplify right side
    13,219.82x = 185,078,545.97
  5. Step 5: Solve for x
    x = 185,078,545.97/13,219.82
  6. Step 6: Final answer
    x = 14,000.08

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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.