Home / 20,184.17-30,272.67-6,140.79

Finding the Fourth Proportional to 20,184.17, 30,272.67 and 6,140.79

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Solution

The fourth proportional to 20,184.17, 30,272.67 and 6,140.79 is: 9,210.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,184.17 : 30,272.67 = 6,140.79 : x
  2. Step 2: Convert to fraction form
    20,184.17/30,272.67 = 6,140.79/x
  3. Step 3: Cross multiply
    20,184.17x = 30,272.67 × 6,140.79
  4. Step 4: Simplify right side
    20,184.17x = 185,898,109.21
  5. Step 5: Solve for x
    x = 185,898,109.21/20,184.17
  6. Step 6: Final answer
    x = 9,210.09

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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.