Home / 13,165.39-18,169.32-7,501.92

Finding the Fourth Proportional to 13,165.39, 18,169.32 and 7,501.92

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Solution

The fourth proportional to 13,165.39, 18,169.32 and 7,501.92 is: 10,353.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,165.39 : 18,169.32 = 7,501.92 : x
  2. Step 2: Convert to fraction form
    13,165.39/18,169.32 = 7,501.92/x
  3. Step 3: Cross multiply
    13,165.39x = 18,169.32 × 7,501.92
  4. Step 4: Simplify right side
    13,165.39x = 136,304,785.09
  5. Step 5: Solve for x
    x = 136,304,785.09/13,165.39
  6. Step 6: Final answer
    x = 10,353.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.