Home / 20,184.59-30,276.88-6,145.42

Finding the Fourth Proportional to 20,184.59, 30,276.88 and 6,145.42

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Solution

The fourth proportional to 20,184.59, 30,276.88 and 6,145.42 is: 9,218.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,184.59 : 30,276.88 = 6,145.42 : x
  2. Step 2: Convert to fraction form
    20,184.59/30,276.88 = 6,145.42/x
  3. Step 3: Cross multiply
    20,184.59x = 30,276.88 × 6,145.42
  4. Step 4: Simplify right side
    20,184.59x = 186,064,143.89
  5. Step 5: Solve for x
    x = 186,064,143.89/20,184.59
  6. Step 6: Final answer
    x = 9,218.13

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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.