Home / 19,803.35-29,684.14-7,315.38

Finding the Fourth Proportional to 19,803.35, 29,684.14 and 7,315.38

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Solution

The fourth proportional to 19,803.35, 29,684.14 and 7,315.38 is: 10,965.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,803.35 : 29,684.14 = 7,315.38 : x
  2. Step 2: Convert to fraction form
    19,803.35/29,684.14 = 7,315.38/x
  3. Step 3: Cross multiply
    19,803.35x = 29,684.14 × 7,315.38
  4. Step 4: Simplify right side
    19,803.35x = 217,150,745.78
  5. Step 5: Solve for x
    x = 217,150,745.78/19,803.35
  6. Step 6: Final answer
    x = 10,965.35

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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.