Home / 21,937.31-30,273.37-11,865.74

Finding the Fourth Proportional to 21,937.31, 30,273.37 and 11,865.74

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Solution

The fourth proportional to 21,937.31, 30,273.37 and 11,865.74 is: 16,374.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,937.31 : 30,273.37 = 11,865.74 : x
  2. Step 2: Convert to fraction form
    21,937.31/30,273.37 = 11,865.74/x
  3. Step 3: Cross multiply
    21,937.31x = 30,273.37 × 11,865.74
  4. Step 4: Simplify right side
    21,937.31x = 359,215,937.34
  5. Step 5: Solve for x
    x = 359,215,937.34/21,937.31
  6. Step 6: Final answer
    x = 16,374.66

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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.