Home / 19,806.89-29,711.41-5,015.93

Finding the Fourth Proportional to 19,806.89, 29,711.41 and 5,015.93

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Solution

The fourth proportional to 19,806.89, 29,711.41 and 5,015.93 is: 7,524.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,806.89 : 29,711.41 = 5,015.93 : x
  2. Step 2: Convert to fraction form
    19,806.89/29,711.41 = 5,015.93/x
  3. Step 3: Cross multiply
    19,806.89x = 29,711.41 × 5,015.93
  4. Step 4: Simplify right side
    19,806.89x = 149,030,191.66
  5. Step 5: Solve for x
    x = 149,030,191.66/19,806.89
  6. Step 6: Final answer
    x = 7,524.16

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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.