Home / 20,184.83-30,278.79-6,146.05

Finding the Fourth Proportional to 20,184.83, 30,278.79 and 6,146.05

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Solution

The fourth proportional to 20,184.83, 30,278.79 and 6,146.05 is: 9,219.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,184.83 : 30,278.79 = 6,146.05 : x
  2. Step 2: Convert to fraction form
    20,184.83/30,278.79 = 6,146.05/x
  3. Step 3: Cross multiply
    20,184.83x = 30,278.79 × 6,146.05
  4. Step 4: Simplify right side
    20,184.83x = 186,094,957.28
  5. Step 5: Solve for x
    x = 186,094,957.28/20,184.83
  6. Step 6: Final answer
    x = 9,219.55

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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.