Home / 13,508.27-20,271.46-4,743.21

Finding the Fourth Proportional to 13,508.27, 20,271.46 and 4,743.21

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Solution

The fourth proportional to 13,508.27, 20,271.46 and 4,743.21 is: 7,117.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,508.27 : 20,271.46 = 4,743.21 : x
  2. Step 2: Convert to fraction form
    13,508.27/20,271.46 = 4,743.21/x
  3. Step 3: Cross multiply
    13,508.27x = 20,271.46 × 4,743.21
  4. Step 4: Simplify right side
    13,508.27x = 96,151,768.07
  5. Step 5: Solve for x
    x = 96,151,768.07/13,508.27
  6. Step 6: Final answer
    x = 7,117.99

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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.