Home / 21,894.67-30,216.18-12,463.23

Finding the Fourth Proportional to 21,894.67, 30,216.18 and 12,463.23

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Solution

The fourth proportional to 21,894.67, 30,216.18 and 12,463.23 is: 17,200.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,894.67 : 30,216.18 = 12,463.23 : x
  2. Step 2: Convert to fraction form
    21,894.67/30,216.18 = 12,463.23/x
  3. Step 3: Cross multiply
    21,894.67x = 30,216.18 × 12,463.23
  4. Step 4: Simplify right side
    21,894.67x = 376,591,201.06
  5. Step 5: Solve for x
    x = 376,591,201.06/21,894.67
  6. Step 6: Final answer
    x = 17,200.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.