Home / 21,010.60-31,526.97-9,325

Finding the Fourth Proportional to 21,010.60, 31,526.97 and 9,325

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Solution

The fourth proportional to 21,010.60, 31,526.97 and 9,325 is: 13,992.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,010.60 : 31,526.97 = 9,325 : x
  2. Step 2: Convert to fraction form
    21,010.60/31,526.97 = 9,325/x
  3. Step 3: Cross multiply
    21,010.60x = 31,526.97 × 9,325
  4. Step 4: Simplify right side
    21,010.60x = 293,988,995.25
  5. Step 5: Solve for x
    x = 293,988,995.25/21,010.60
  6. Step 6: Final answer
    x = 13,992.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.