Home / 21,897.27-30,218.46-12,466.44

Finding the Fourth Proportional to 21,897.27, 30,218.46 and 12,466.44

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Solution

The fourth proportional to 21,897.27, 30,218.46 and 12,466.44 is: 17,203.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,897.27 : 30,218.46 = 12,466.44 : x
  2. Step 2: Convert to fraction form
    21,897.27/30,218.46 = 12,466.44/x
  3. Step 3: Cross multiply
    21,897.27x = 30,218.46 × 12,466.44
  4. Step 4: Simplify right side
    21,897.27x = 376,716,618.48
  5. Step 5: Solve for x
    x = 376,716,618.48/21,897.27
  6. Step 6: Final answer
    x = 17,203.82

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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.