Home / 19,806.18-29,712.54-7,326.24

Finding the Fourth Proportional to 19,806.18, 29,712.54 and 7,326.24

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Solution

The fourth proportional to 19,806.18, 29,712.54 and 7,326.24 is: 10,990.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,806.18 : 29,712.54 = 7,326.24 : x
  2. Step 2: Convert to fraction form
    19,806.18/29,712.54 = 7,326.24/x
  3. Step 3: Cross multiply
    19,806.18x = 29,712.54 × 7,326.24
  4. Step 4: Simplify right side
    19,806.18x = 217,681,199.05
  5. Step 5: Solve for x
    x = 217,681,199.05/19,806.18
  6. Step 6: Final answer
    x = 10,990.57

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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.