Home / 13,206.60-19,810.61-3,345.96

Finding the Fourth Proportional to 13,206.60, 19,810.61 and 3,345.96

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Solution

The fourth proportional to 13,206.60, 19,810.61 and 3,345.96 is: 5,019.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,206.60 : 19,810.61 = 3,345.96 : x
  2. Step 2: Convert to fraction form
    13,206.60/19,810.61 = 3,345.96/x
  3. Step 3: Cross multiply
    13,206.60x = 19,810.61 × 3,345.96
  4. Step 4: Simplify right side
    13,206.60x = 66,285,508.64
  5. Step 5: Solve for x
    x = 66,285,508.64/13,206.60
  6. Step 6: Final answer
    x = 5,019.12

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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.