Home / 20,214.18-30,335.15-7,066.58

Finding the Fourth Proportional to 20,214.18, 30,335.15 and 7,066.58

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Solution

The fourth proportional to 20,214.18, 30,335.15 and 7,066.58 is: 10,604.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,214.18 : 30,335.15 = 7,066.58 : x
  2. Step 2: Convert to fraction form
    20,214.18/30,335.15 = 7,066.58/x
  3. Step 3: Cross multiply
    20,214.18x = 30,335.15 × 7,066.58
  4. Step 4: Simplify right side
    20,214.18x = 214,365,630.28
  5. Step 5: Solve for x
    x = 214,365,630.28/20,214.18
  6. Step 6: Final answer
    x = 10,604.72

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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.