Home / 13,332.09-18,398.57-7,364.42

Finding the Fourth Proportional to 13,332.09, 18,398.57 and 7,364.42

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Solution

The fourth proportional to 13,332.09, 18,398.57 and 7,364.42 is: 10,163.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,332.09 : 18,398.57 = 7,364.42 : x
  2. Step 2: Convert to fraction form
    13,332.09/18,398.57 = 7,364.42/x
  3. Step 3: Cross multiply
    13,332.09x = 18,398.57 × 7,364.42
  4. Step 4: Simplify right side
    13,332.09x = 135,494,668.06
  5. Step 5: Solve for x
    x = 135,494,668.06/13,332.09
  6. Step 6: Final answer
    x = 10,163.05

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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.