Home / 20,350.14-30,530.07-7,023.30

Finding the Fourth Proportional to 20,350.14, 30,530.07 and 7,023.30

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Solution

The fourth proportional to 20,350.14, 30,530.07 and 7,023.30 is: 10,536.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,350.14 : 30,530.07 = 7,023.30 : x
  2. Step 2: Convert to fraction form
    20,350.14/30,530.07 = 7,023.30/x
  3. Step 3: Cross multiply
    20,350.14x = 30,530.07 × 7,023.30
  4. Step 4: Simplify right side
    20,350.14x = 214,421,840.63
  5. Step 5: Solve for x
    x = 214,421,840.63/20,350.14
  6. Step 6: Final answer
    x = 10,536.63

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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.