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Finding the Fourth Proportional to 15,685.95, 23,514.49 and 6,795.70

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Solution

The fourth proportional to 15,685.95, 23,514.49 and 6,795.70 is: 10,187.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,685.95 : 23,514.49 = 6,795.70 : x
  2. Step 2: Convert to fraction form
    15,685.95/23,514.49 = 6,795.70/x
  3. Step 3: Cross multiply
    15,685.95x = 23,514.49 × 6,795.70
  4. Step 4: Simplify right side
    15,685.95x = 159,797,268.14
  5. Step 5: Solve for x
    x = 159,797,268.14/15,685.95
  6. Step 6: Final answer
    x = 10,187.29

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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.