Home / 15,866.35-23,800.19-13,087.85

Finding the Fourth Proportional to 15,866.35, 23,800.19 and 13,087.85

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Solution

The fourth proportional to 15,866.35, 23,800.19 and 13,087.85 is: 19,632.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,866.35 : 23,800.19 = 13,087.85 : x
  2. Step 2: Convert to fraction form
    15,866.35/23,800.19 = 13,087.85/x
  3. Step 3: Cross multiply
    15,866.35x = 23,800.19 × 13,087.85
  4. Step 4: Simplify right side
    15,866.35x = 311,493,241.86
  5. Step 5: Solve for x
    x = 311,493,241.86/15,866.35
  6. Step 6: Final answer
    x = 19,632.32

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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.