Home / 20,836.86-31,265.24-9,741.94

Finding the Fourth Proportional to 20,836.86, 31,265.24 and 9,741.94

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Solution

The fourth proportional to 20,836.86, 31,265.24 and 9,741.94 is: 14,617.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,836.86 : 31,265.24 = 9,741.94 : x
  2. Step 2: Convert to fraction form
    20,836.86/31,265.24 = 9,741.94/x
  3. Step 3: Cross multiply
    20,836.86x = 31,265.24 × 9,741.94
  4. Step 4: Simplify right side
    20,836.86x = 304,583,965.29
  5. Step 5: Solve for x
    x = 304,583,965.29/20,836.86
  6. Step 6: Final answer
    x = 14,617.56

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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.