Home / 20,080.72-30,097.18-15,134.05

Finding the Fourth Proportional to 20,080.72, 30,097.18 and 15,134.05

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Solution

The fourth proportional to 20,080.72, 30,097.18 and 15,134.05 is: 22,683.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,080.72 : 30,097.18 = 15,134.05 : x
  2. Step 2: Convert to fraction form
    20,080.72/30,097.18 = 15,134.05/x
  3. Step 3: Cross multiply
    20,080.72x = 30,097.18 × 15,134.05
  4. Step 4: Simplify right side
    20,080.72x = 455,492,226.98
  5. Step 5: Solve for x
    x = 455,492,226.98/20,080.72
  6. Step 6: Final answer
    x = 22,683.06

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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.