Home / 20,601.45-30,888.52-7,452.11

Finding the Fourth Proportional to 20,601.45, 30,888.52 and 7,452.11

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Solution

The fourth proportional to 20,601.45, 30,888.52 and 7,452.11 is: 11,173.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,601.45 : 30,888.52 = 7,452.11 : x
  2. Step 2: Convert to fraction form
    20,601.45/30,888.52 = 7,452.11/x
  3. Step 3: Cross multiply
    20,601.45x = 30,888.52 × 7,452.11
  4. Step 4: Simplify right side
    20,601.45x = 230,184,707.37
  5. Step 5: Solve for x
    x = 230,184,707.37/20,601.45
  6. Step 6: Final answer
    x = 11,173.23

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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.