Home / 21,266.66-29,348.01-12,314.64

Finding the Fourth Proportional to 21,266.66, 29,348.01 and 12,314.64

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Solution

The fourth proportional to 21,266.66, 29,348.01 and 12,314.64 is: 16,994.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,266.66 : 29,348.01 = 12,314.64 : x
  2. Step 2: Convert to fraction form
    21,266.66/29,348.01 = 12,314.64/x
  3. Step 3: Cross multiply
    21,266.66x = 29,348.01 × 12,314.64
  4. Step 4: Simplify right side
    21,266.66x = 361,410,116.29
  5. Step 5: Solve for x
    x = 361,410,116.29/21,266.66
  6. Step 6: Final answer
    x = 16,994.22

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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.