Home / 18,268.67-25,210.77-9,885.17

Finding the Fourth Proportional to 18,268.67, 25,210.77 and 9,885.17

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Solution

The fourth proportional to 18,268.67, 25,210.77 and 9,885.17 is: 13,641.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,268.67 : 25,210.77 = 9,885.17 : x
  2. Step 2: Convert to fraction form
    18,268.67/25,210.77 = 9,885.17/x
  3. Step 3: Cross multiply
    18,268.67x = 25,210.77 × 9,885.17
  4. Step 4: Simplify right side
    18,268.67x = 249,212,747.28
  5. Step 5: Solve for x
    x = 249,212,747.28/18,268.67
  6. Step 6: Final answer
    x = 13,641.54

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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.