Home / 13,934.42-19,229.82-7,966.64

Finding the Fourth Proportional to 13,934.42, 19,229.82 and 7,966.64

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Solution

The fourth proportional to 13,934.42, 19,229.82 and 7,966.64 is: 10,994.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,934.42 : 19,229.82 = 7,966.64 : x
  2. Step 2: Convert to fraction form
    13,934.42/19,229.82 = 7,966.64/x
  3. Step 3: Cross multiply
    13,934.42x = 19,229.82 × 7,966.64
  4. Step 4: Simplify right side
    13,934.42x = 153,197,053.20
  5. Step 5: Solve for x
    x = 153,197,053.20/13,934.42
  6. Step 6: Final answer
    x = 10,994.15

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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.