Home / 20,200.89-30,303.10-6,164.08

Finding the Fourth Proportional to 20,200.89, 30,303.10 and 6,164.08

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Solution

The fourth proportional to 20,200.89, 30,303.10 and 6,164.08 is: 9,246.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,200.89 : 30,303.10 = 6,164.08 : x
  2. Step 2: Convert to fraction form
    20,200.89/30,303.10 = 6,164.08/x
  3. Step 3: Cross multiply
    20,200.89x = 30,303.10 × 6,164.08
  4. Step 4: Simplify right side
    20,200.89x = 186,790,800.38
  5. Step 5: Solve for x
    x = 186,790,800.38/20,200.89
  6. Step 6: Final answer
    x = 9,246.66

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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.