Home / 18,813.14-28,194.95-10,497.07

Finding the Fourth Proportional to 18,813.14, 28,194.95 and 10,497.07

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Solution

The fourth proportional to 18,813.14, 28,194.95 and 10,497.07 is: 15,731.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,813.14 : 28,194.95 = 10,497.07 : x
  2. Step 2: Convert to fraction form
    18,813.14/28,194.95 = 10,497.07/x
  3. Step 3: Cross multiply
    18,813.14x = 28,194.95 × 10,497.07
  4. Step 4: Simplify right side
    18,813.14x = 295,964,363.80
  5. Step 5: Solve for x
    x = 295,964,363.80/18,813.14
  6. Step 6: Final answer
    x = 15,731.79

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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.