Home / 20,224.86-30,346.91-9,134.94

Finding the Fourth Proportional to 20,224.86, 30,346.91 and 9,134.94

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Solution

The fourth proportional to 20,224.86, 30,346.91 and 9,134.94 is: 13,706.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,224.86 : 30,346.91 = 9,134.94 : x
  2. Step 2: Convert to fraction form
    20,224.86/30,346.91 = 9,134.94/x
  3. Step 3: Cross multiply
    20,224.86x = 30,346.91 × 9,134.94
  4. Step 4: Simplify right side
    20,224.86x = 277,217,156.36
  5. Step 5: Solve for x
    x = 277,217,156.36/20,224.86
  6. Step 6: Final answer
    x = 13,706.75

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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.