Home / 21,067.02-31,600.14-6,285.96

Finding the Fourth Proportional to 21,067.02, 31,600.14 and 6,285.96

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Solution

The fourth proportional to 21,067.02, 31,600.14 and 6,285.96 is: 9,428.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,067.02 : 31,600.14 = 6,285.96 : x
  2. Step 2: Convert to fraction form
    21,067.02/31,600.14 = 6,285.96/x
  3. Step 3: Cross multiply
    21,067.02x = 31,600.14 × 6,285.96
  4. Step 4: Simplify right side
    21,067.02x = 198,637,216.03
  5. Step 5: Solve for x
    x = 198,637,216.03/21,067.02
  6. Step 6: Final answer
    x = 9,428.82

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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.