Home / 19,394.88-29,088.62-5,351.42

Finding the Fourth Proportional to 19,394.88, 29,088.62 and 5,351.42

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Solution

The fourth proportional to 19,394.88, 29,088.62 and 5,351.42 is: 8,026.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,394.88 : 29,088.62 = 5,351.42 : x
  2. Step 2: Convert to fraction form
    19,394.88/29,088.62 = 5,351.42/x
  3. Step 3: Cross multiply
    19,394.88x = 29,088.62 × 5,351.42
  4. Step 4: Simplify right side
    19,394.88x = 155,665,422.84
  5. Step 5: Solve for x
    x = 155,665,422.84/19,394.88
  6. Step 6: Final answer
    x = 8,026.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.