Home / 21,333.47-31,997.39-6,340.26

Finding the Fourth Proportional to 21,333.47, 31,997.39 and 6,340.26

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Solution

The fourth proportional to 21,333.47, 31,997.39 and 6,340.26 is: 9,509.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,333.47 : 31,997.39 = 6,340.26 : x
  2. Step 2: Convert to fraction form
    21,333.47/31,997.39 = 6,340.26/x
  3. Step 3: Cross multiply
    21,333.47x = 31,997.39 × 6,340.26
  4. Step 4: Simplify right side
    21,333.47x = 202,871,860.21
  5. Step 5: Solve for x
    x = 202,871,860.21/21,333.47
  6. Step 6: Final answer
    x = 9,509.56

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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.