Home / 21,084.03-31,625.45-6,293.07

Finding the Fourth Proportional to 21,084.03, 31,625.45 and 6,293.07

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Solution

The fourth proportional to 21,084.03, 31,625.45 and 6,293.07 is: 9,439.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,084.03 : 31,625.45 = 6,293.07 : x
  2. Step 2: Convert to fraction form
    21,084.03/31,625.45 = 6,293.07/x
  3. Step 3: Cross multiply
    21,084.03x = 31,625.45 × 6,293.07
  4. Step 4: Simplify right side
    21,084.03x = 199,021,139.17
  5. Step 5: Solve for x
    x = 199,021,139.17/21,084.03
  6. Step 6: Final answer
    x = 9,439.43

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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.