Home / 13,499.56-20,239.62-8,294.68

Finding the Fourth Proportional to 13,499.56, 20,239.62 and 8,294.68

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Solution

The fourth proportional to 13,499.56, 20,239.62 and 8,294.68 is: 12,436.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,499.56 : 20,239.62 = 8,294.68 : x
  2. Step 2: Convert to fraction form
    13,499.56/20,239.62 = 8,294.68/x
  3. Step 3: Cross multiply
    13,499.56x = 20,239.62 × 8,294.68
  4. Step 4: Simplify right side
    13,499.56x = 167,881,171.22
  5. Step 5: Solve for x
    x = 167,881,171.22/13,499.56
  6. Step 6: Final answer
    x = 12,436.05

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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.