Home / 20,014.21-30,016.72-7,535.53

Finding the Fourth Proportional to 20,014.21, 30,016.72 and 7,535.53

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Solution

The fourth proportional to 20,014.21, 30,016.72 and 7,535.53 is: 11,301.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,014.21 : 30,016.72 = 7,535.53 : x
  2. Step 2: Convert to fraction form
    20,014.21/30,016.72 = 7,535.53/x
  3. Step 3: Cross multiply
    20,014.21x = 30,016.72 × 7,535.53
  4. Step 4: Simplify right side
    20,014.21x = 226,191,894.06
  5. Step 5: Solve for x
    x = 226,191,894.06/20,014.21
  6. Step 6: Final answer
    x = 11,301.56

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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.