Home / 20,160.23-30,240.77-7,336.96

Finding the Fourth Proportional to 20,160.23, 30,240.77 and 7,336.96

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Solution

The fourth proportional to 20,160.23, 30,240.77 and 7,336.96 is: 11,005.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160.23 : 30,240.77 = 7,336.96 : x
  2. Step 2: Convert to fraction form
    20,160.23/30,240.77 = 7,336.96/x
  3. Step 3: Cross multiply
    20,160.23x = 30,240.77 × 7,336.96
  4. Step 4: Simplify right side
    20,160.23x = 221,875,319.86
  5. Step 5: Solve for x
    x = 221,875,319.86/20,160.23
  6. Step 6: Final answer
    x = 11,005.59

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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.