Home / 18,273.42-25,217.27-9,889.92

Finding the Fourth Proportional to 18,273.42, 25,217.27 and 9,889.92

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Solution

The fourth proportional to 18,273.42, 25,217.27 and 9,889.92 is: 13,648.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,273.42 : 25,217.27 = 9,889.92 : x
  2. Step 2: Convert to fraction form
    18,273.42/25,217.27 = 9,889.92/x
  3. Step 3: Cross multiply
    18,273.42x = 25,217.27 × 9,889.92
  4. Step 4: Simplify right side
    18,273.42x = 249,396,782.92
  5. Step 5: Solve for x
    x = 249,396,782.92/18,273.42
  6. Step 6: Final answer
    x = 13,648.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.