Home / 19,799.14-29,661.42-15,395.20

Finding the Fourth Proportional to 19,799.14, 29,661.42 and 15,395.20

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Solution

The fourth proportional to 19,799.14, 29,661.42 and 15,395.20 is: 23,063.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,799.14 : 29,661.42 = 15,395.20 : x
  2. Step 2: Convert to fraction form
    19,799.14/29,661.42 = 15,395.20/x
  3. Step 3: Cross multiply
    19,799.14x = 29,661.42 × 15,395.20
  4. Step 4: Simplify right side
    19,799.14x = 456,643,493.18
  5. Step 5: Solve for x
    x = 456,643,493.18/19,799.14
  6. Step 6: Final answer
    x = 23,063.80

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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.