Home / 21,999.11-33,004.76-10,156.50

Finding the Fourth Proportional to 21,999.11, 33,004.76 and 10,156.50

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Solution

The fourth proportional to 21,999.11, 33,004.76 and 10,156.50 is: 15,237.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,999.11 : 33,004.76 = 10,156.50 : x
  2. Step 2: Convert to fraction form
    21,999.11/33,004.76 = 10,156.50/x
  3. Step 3: Cross multiply
    21,999.11x = 33,004.76 × 10,156.50
  4. Step 4: Simplify right side
    21,999.11x = 335,212,794.16
  5. Step 5: Solve for x
    x = 335,212,794.16/21,999.11
  6. Step 6: Final answer
    x = 15,237.57

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1.5x scale

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.