Home / 19,891.37-29,816.13-15,201.20

Finding the Fourth Proportional to 19,891.37, 29,816.13 and 15,201.20

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Solution

The fourth proportional to 19,891.37, 29,816.13 and 15,201.20 is: 22,785.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,891.37 : 29,816.13 = 15,201.20 : x
  2. Step 2: Convert to fraction form
    19,891.37/29,816.13 = 15,201.20/x
  3. Step 3: Cross multiply
    19,891.37x = 29,816.13 × 15,201.20
  4. Step 4: Simplify right side
    19,891.37x = 453,240,955.36
  5. Step 5: Solve for x
    x = 453,240,955.36/19,891.37
  6. Step 6: Final answer
    x = 22,785.81

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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.