Home / 15,332.86-21,163.08-9,369.55

Finding the Fourth Proportional to 15,332.86, 21,163.08 and 9,369.55

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Solution

The fourth proportional to 15,332.86, 21,163.08 and 9,369.55 is: 12,932.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,332.86 : 21,163.08 = 9,369.55 : x
  2. Step 2: Convert to fraction form
    15,332.86/21,163.08 = 9,369.55/x
  3. Step 3: Cross multiply
    15,332.86x = 21,163.08 × 9,369.55
  4. Step 4: Simplify right side
    15,332.86x = 198,288,553.99
  5. Step 5: Solve for x
    x = 198,288,553.99/15,332.86
  6. Step 6: Final answer
    x = 12,932.26

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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.