Home / 20,292.71-30,433.39-8,597.93

Finding the Fourth Proportional to 20,292.71, 30,433.39 and 8,597.93

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Solution

The fourth proportional to 20,292.71, 30,433.39 and 8,597.93 is: 12,894.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,292.71 : 30,433.39 = 8,597.93 : x
  2. Step 2: Convert to fraction form
    20,292.71/30,433.39 = 8,597.93/x
  3. Step 3: Cross multiply
    20,292.71x = 30,433.39 × 8,597.93
  4. Step 4: Simplify right side
    20,292.71x = 261,663,983.22
  5. Step 5: Solve for x
    x = 261,663,983.22/20,292.71
  6. Step 6: Final answer
    x = 12,894.49

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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.