Home / 21,195.02-31,797.66-6,403.08

Finding the Fourth Proportional to 21,195.02, 31,797.66 and 6,403.08

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Solution

The fourth proportional to 21,195.02, 31,797.66 and 6,403.08 is: 9,606.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,195.02 : 31,797.66 = 6,403.08 : x
  2. Step 2: Convert to fraction form
    21,195.02/31,797.66 = 6,403.08/x
  3. Step 3: Cross multiply
    21,195.02x = 31,797.66 × 6,403.08
  4. Step 4: Simplify right side
    21,195.02x = 203,602,960.79
  5. Step 5: Solve for x
    x = 203,602,960.79/21,195.02
  6. Step 6: Final answer
    x = 9,606.17

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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.