Home / 13,818.20-20,727.23-5,051.03

Finding the Fourth Proportional to 13,818.20, 20,727.23 and 5,051.03

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Solution

The fourth proportional to 13,818.20, 20,727.23 and 5,051.03 is: 7,576.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,818.20 : 20,727.23 = 5,051.03 : x
  2. Step 2: Convert to fraction form
    13,818.20/20,727.23 = 5,051.03/x
  3. Step 3: Cross multiply
    13,818.20x = 20,727.23 × 5,051.03
  4. Step 4: Simplify right side
    13,818.20x = 104,693,731.66
  5. Step 5: Solve for x
    x = 104,693,731.66/13,818.20
  6. Step 6: Final answer
    x = 7,576.51

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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.