Home / 22,690.33-31,308.03-13,257.07

Finding the Fourth Proportional to 22,690.33, 31,308.03 and 13,257.07

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Solution

The fourth proportional to 22,690.33, 31,308.03 and 13,257.07 is: 18,292.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,690.33 : 31,308.03 = 13,257.07 : x
  2. Step 2: Convert to fraction form
    22,690.33/31,308.03 = 13,257.07/x
  3. Step 3: Cross multiply
    22,690.33x = 31,308.03 × 13,257.07
  4. Step 4: Simplify right side
    22,690.33x = 415,052,667.00
  5. Step 5: Solve for x
    x = 415,052,667.00/22,690.33
  6. Step 6: Final answer
    x = 18,292.05

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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.