Home / 13,209.23-19,807.37-6,538.02

Finding the Fourth Proportional to 13,209.23, 19,807.37 and 6,538.02

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Solution

The fourth proportional to 13,209.23, 19,807.37 and 6,538.02 is: 9,803.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,209.23 : 19,807.37 = 6,538.02 : x
  2. Step 2: Convert to fraction form
    13,209.23/19,807.37 = 6,538.02/x
  3. Step 3: Cross multiply
    13,209.23x = 19,807.37 × 6,538.02
  4. Step 4: Simplify right side
    13,209.23x = 129,500,981.21
  5. Step 5: Solve for x
    x = 129,500,981.21/13,209.23
  6. Step 6: Final answer
    x = 9,803.83

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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.