Home / 20,564.41-30,859.37-9,472.68

Finding the Fourth Proportional to 20,564.41, 30,859.37 and 9,472.68

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Solution

The fourth proportional to 20,564.41, 30,859.37 and 9,472.68 is: 14,214.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,564.41 : 30,859.37 = 9,472.68 : x
  2. Step 2: Convert to fraction form
    20,564.41/30,859.37 = 9,472.68/x
  3. Step 3: Cross multiply
    20,564.41x = 30,859.37 × 9,472.68
  4. Step 4: Simplify right side
    20,564.41x = 292,320,937.01
  5. Step 5: Solve for x
    x = 292,320,937.01/20,564.41
  6. Step 6: Final answer
    x = 14,214.90

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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.