Home / 13,559.24-20,345.04-8,023.43

Finding the Fourth Proportional to 13,559.24, 20,345.04 and 8,023.43

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Solution

The fourth proportional to 13,559.24, 20,345.04 and 8,023.43 is: 12,038.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,559.24 : 20,345.04 = 8,023.43 : x
  2. Step 2: Convert to fraction form
    13,559.24/20,345.04 = 8,023.43/x
  3. Step 3: Cross multiply
    13,559.24x = 20,345.04 × 8,023.43
  4. Step 4: Simplify right side
    13,559.24x = 163,236,902.56
  5. Step 5: Solve for x
    x = 163,236,902.56/13,559.24
  6. Step 6: Final answer
    x = 12,038.80

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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.