Home / 18,268.04-25,209.96-9,884.54

Finding the Fourth Proportional to 18,268.04, 25,209.96 and 9,884.54

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Solution

The fourth proportional to 18,268.04, 25,209.96 and 9,884.54 is: 13,640.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,268.04 : 25,209.96 = 9,884.54 : x
  2. Step 2: Convert to fraction form
    18,268.04/25,209.96 = 9,884.54/x
  3. Step 3: Cross multiply
    18,268.04x = 25,209.96 × 9,884.54
  4. Step 4: Simplify right side
    18,268.04x = 249,188,858.02
  5. Step 5: Solve for x
    x = 249,188,858.02/18,268.04
  6. Step 6: Final answer
    x = 13,640.70

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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.