Home / 20,245.14-30,357.18-9,146.52

Finding the Fourth Proportional to 20,245.14, 30,357.18 and 9,146.52

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Solution

The fourth proportional to 20,245.14, 30,357.18 and 9,146.52 is: 13,715.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,245.14 : 30,357.18 = 9,146.52 : x
  2. Step 2: Convert to fraction form
    20,245.14/30,357.18 = 9,146.52/x
  3. Step 3: Cross multiply
    20,245.14x = 30,357.18 × 9,146.52
  4. Step 4: Simplify right side
    20,245.14x = 277,662,554.01
  5. Step 5: Solve for x
    x = 277,662,554.01/20,245.14
  6. Step 6: Final answer
    x = 13,715.02

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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.