Home / 18,268.14-25,210.05-9,884.70

Finding the Fourth Proportional to 18,268.14, 25,210.05 and 9,884.70

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Solution

The fourth proportional to 18,268.14, 25,210.05 and 9,884.70 is: 13,640.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,268.14 : 25,210.05 = 9,884.70 : x
  2. Step 2: Convert to fraction form
    18,268.14/25,210.05 = 9,884.70/x
  3. Step 3: Cross multiply
    18,268.14x = 25,210.05 × 9,884.70
  4. Step 4: Simplify right side
    18,268.14x = 249,193,781.24
  5. Step 5: Solve for x
    x = 249,193,781.24/18,268.14
  6. Step 6: Final answer
    x = 13,640.90

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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.