Home / 19,815.42-27,348.07-12,264.18

Finding the Fourth Proportional to 19,815.42, 27,348.07 and 12,264.18

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Solution

The fourth proportional to 19,815.42, 27,348.07 and 12,264.18 is: 16,926.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,815.42 : 27,348.07 = 12,264.18 : x
  2. Step 2: Convert to fraction form
    19,815.42/27,348.07 = 12,264.18/x
  3. Step 3: Cross multiply
    19,815.42x = 27,348.07 × 12,264.18
  4. Step 4: Simplify right side
    19,815.42x = 335,401,653.13
  5. Step 5: Solve for x
    x = 335,401,653.13/19,815.42
  6. Step 6: Final answer
    x = 16,926.30

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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.