Home / 20,336.18-30,503.91-6,485.18

Finding the Fourth Proportional to 20,336.18, 30,503.91 and 6,485.18

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Solution

The fourth proportional to 20,336.18, 30,503.91 and 6,485.18 is: 9,727.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,336.18 : 30,503.91 = 6,485.18 : x
  2. Step 2: Convert to fraction form
    20,336.18/30,503.91 = 6,485.18/x
  3. Step 3: Cross multiply
    20,336.18x = 30,503.91 × 6,485.18
  4. Step 4: Simplify right side
    20,336.18x = 197,823,347.05
  5. Step 5: Solve for x
    x = 197,823,347.05/20,336.18
  6. Step 6: Final answer
    x = 9,727.66

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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.