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Finding the Fourth Proportional to 17,065.80, 25,598.70 and 10,067.40

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Solution

The fourth proportional to 17,065.80, 25,598.70 and 10,067.40 is: 15,101.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,065.80 : 25,598.70 = 10,067.40 : x
  2. Step 2: Convert to fraction form
    17,065.80/25,598.70 = 10,067.40/x
  3. Step 3: Cross multiply
    17,065.80x = 25,598.70 × 10,067.40
  4. Step 4: Simplify right side
    17,065.80x = 257,712,352.38
  5. Step 5: Solve for x
    x = 257,712,352.38/17,065.80
  6. Step 6: Final answer
    x = 15,101.10

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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.