Home / 20,893.56-28,833.60-11,462.13

Finding the Fourth Proportional to 20,893.56, 28,833.60 and 11,462.13

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Solution

The fourth proportional to 20,893.56, 28,833.60 and 11,462.13 is: 15,818.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,893.56 : 28,833.60 = 11,462.13 : x
  2. Step 2: Convert to fraction form
    20,893.56/28,833.60 = 11,462.13/x
  3. Step 3: Cross multiply
    20,893.56x = 28,833.60 × 11,462.13
  4. Step 4: Simplify right side
    20,893.56x = 330,494,471.57
  5. Step 5: Solve for x
    x = 330,494,471.57/20,893.56
  6. Step 6: Final answer
    x = 15,818.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.