Home / 12,367.68-17,066.67-7,332.38

Finding the Fourth Proportional to 12,367.68, 17,066.67 and 7,332.38

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Solution

The fourth proportional to 12,367.68, 17,066.67 and 7,332.38 is: 10,118.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,367.68 : 17,066.67 = 7,332.38 : x
  2. Step 2: Convert to fraction form
    12,367.68/17,066.67 = 7,332.38/x
  3. Step 3: Cross multiply
    12,367.68x = 17,066.67 × 7,332.38
  4. Step 4: Simplify right side
    12,367.68x = 125,139,309.77
  5. Step 5: Solve for x
    x = 125,139,309.77/12,367.68
  6. Step 6: Final answer
    x = 10,118.25

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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.