Home / 17,815.50-24,584.91-9,857.55

Finding the Fourth Proportional to 17,815.50, 24,584.91 and 9,857.55

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Solution

The fourth proportional to 17,815.50, 24,584.91 and 9,857.55 is: 13,603.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,815.50 : 24,584.91 = 9,857.55 : x
  2. Step 2: Convert to fraction form
    17,815.50/24,584.91 = 9,857.55/x
  3. Step 3: Cross multiply
    17,815.50x = 24,584.91 × 9,857.55
  4. Step 4: Simplify right side
    17,815.50x = 242,346,979.57
  5. Step 5: Solve for x
    x = 242,346,979.57/17,815.50
  6. Step 6: Final answer
    x = 13,603.15

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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.