Home / 13,564.08-20,353.68-7,323.96

Finding the Fourth Proportional to 13,564.08, 20,353.68 and 7,323.96

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Solution

The fourth proportional to 13,564.08, 20,353.68 and 7,323.96 is: 10,990.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,564.08 : 20,353.68 = 7,323.96 : x
  2. Step 2: Convert to fraction form
    13,564.08/20,353.68 = 7,323.96/x
  3. Step 3: Cross multiply
    13,564.08x = 20,353.68 × 7,323.96
  4. Step 4: Simplify right side
    13,564.08x = 149,069,538.17
  5. Step 5: Solve for x
    x = 149,069,538.17/13,564.08
  6. Step 6: Final answer
    x = 10,990.02

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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.