Home / 18,268.36-25,210.38-9,884.86

Finding the Fourth Proportional to 18,268.36, 25,210.38 and 9,884.86

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Solution

The fourth proportional to 18,268.36, 25,210.38 and 9,884.86 is: 13,641.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,268.36 : 25,210.38 = 9,884.86 : x
  2. Step 2: Convert to fraction form
    18,268.36/25,210.38 = 9,884.86/x
  3. Step 3: Cross multiply
    18,268.36x = 25,210.38 × 9,884.86
  4. Step 4: Simplify right side
    18,268.36x = 249,201,076.85
  5. Step 5: Solve for x
    x = 249,201,076.85/18,268.36
  6. Step 6: Final answer
    x = 13,641.13

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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.