Home / 20,086.81-30,130.04-6,046.76

Finding the Fourth Proportional to 20,086.81, 30,130.04 and 6,046.76

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Solution

The fourth proportional to 20,086.81, 30,130.04 and 6,046.76 is: 9,070.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,086.81 : 30,130.04 = 6,046.76 : x
  2. Step 2: Convert to fraction form
    20,086.81/30,130.04 = 6,046.76/x
  3. Step 3: Cross multiply
    20,086.81x = 30,130.04 × 6,046.76
  4. Step 4: Simplify right side
    20,086.81x = 182,189,120.67
  5. Step 5: Solve for x
    x = 182,189,120.67/20,086.81
  6. Step 6: Final answer
    x = 9,070.09

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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.