Home / 13,092.24-19,618.20-7,816.80

Finding the Fourth Proportional to 13,092.24, 19,618.20 and 7,816.80

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Solution

The fourth proportional to 13,092.24, 19,618.20 and 7,816.80 is: 11,713.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,092.24 : 19,618.20 = 7,816.80 : x
  2. Step 2: Convert to fraction form
    13,092.24/19,618.20 = 7,816.80/x
  3. Step 3: Cross multiply
    13,092.24x = 19,618.20 × 7,816.80
  4. Step 4: Simplify right side
    13,092.24x = 153,351,545.76
  5. Step 5: Solve for x
    x = 153,351,545.76/13,092.24
  6. Step 6: Final answer
    x = 11,713.16

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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.