Home / 15,901.80-23,815.78-13,933.50

Finding the Fourth Proportional to 15,901.80, 23,815.78 and 13,933.50

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Solution

The fourth proportional to 15,901.80, 23,815.78 and 13,933.50 is: 20,867.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,901.80 : 23,815.78 = 13,933.50 : x
  2. Step 2: Convert to fraction form
    15,901.80/23,815.78 = 13,933.50/x
  3. Step 3: Cross multiply
    15,901.80x = 23,815.78 × 13,933.50
  4. Step 4: Simplify right side
    15,901.80x = 331,837,170.63
  5. Step 5: Solve for x
    x = 331,837,170.63/15,901.80
  6. Step 6: Final answer
    x = 20,867.90

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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.