Home / 20,028.81-30,045.65-6,884.13

Finding the Fourth Proportional to 20,028.81, 30,045.65 and 6,884.13

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Solution

The fourth proportional to 20,028.81, 30,045.65 and 6,884.13 is: 10,327.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,028.81 : 30,045.65 = 6,884.13 : x
  2. Step 2: Convert to fraction form
    20,028.81/30,045.65 = 6,884.13/x
  3. Step 3: Cross multiply
    20,028.81x = 30,045.65 × 6,884.13
  4. Step 4: Simplify right side
    20,028.81x = 206,838,126.11
  5. Step 5: Solve for x
    x = 206,838,126.11/20,028.81
  6. Step 6: Final answer
    x = 10,327.03

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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.