Home / 20,160.33-30,230.69-6,117.81

Finding the Fourth Proportional to 20,160.33, 30,230.69 and 6,117.81

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Solution

The fourth proportional to 20,160.33, 30,230.69 and 6,117.81 is: 9,173.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160.33 : 30,230.69 = 6,117.81 : x
  2. Step 2: Convert to fraction form
    20,160.33/30,230.69 = 6,117.81/x
  3. Step 3: Cross multiply
    20,160.33x = 30,230.69 × 6,117.81
  4. Step 4: Simplify right side
    20,160.33x = 184,945,587.00
  5. Step 5: Solve for x
    x = 184,945,587.00/20,160.33
  6. Step 6: Final answer
    x = 9,173.74

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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.