Home / 13,501.12-20,251.62-3,641.39

Finding the Fourth Proportional to 13,501.12, 20,251.62 and 3,641.39

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Solution

The fourth proportional to 13,501.12, 20,251.62 and 3,641.39 is: 5,462.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,501.12 : 20,251.62 = 3,641.39 : x
  2. Step 2: Convert to fraction form
    13,501.12/20,251.62 = 3,641.39/x
  3. Step 3: Cross multiply
    13,501.12x = 20,251.62 × 3,641.39
  4. Step 4: Simplify right side
    13,501.12x = 73,744,097.18
  5. Step 5: Solve for x
    x = 73,744,097.18/13,501.12
  6. Step 6: Final answer
    x = 5,462.07

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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.