Home / 21,266.02-31,902.46-6,471.46

Finding the Fourth Proportional to 21,266.02, 31,902.46 and 6,471.46

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Solution

The fourth proportional to 21,266.02, 31,902.46 and 6,471.46 is: 9,708.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,266.02 : 31,902.46 = 6,471.46 : x
  2. Step 2: Convert to fraction form
    21,266.02/31,902.46 = 6,471.46/x
  3. Step 3: Cross multiply
    21,266.02x = 31,902.46 × 6,471.46
  4. Step 4: Simplify right side
    21,266.02x = 206,455,493.79
  5. Step 5: Solve for x
    x = 206,455,493.79/21,266.02
  6. Step 6: Final answer
    x = 9,708.23

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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.