Home / 18,714.05-28,056.17-10,807.57

Finding the Fourth Proportional to 18,714.05, 28,056.17 and 10,807.57

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Solution

The fourth proportional to 18,714.05, 28,056.17 and 10,807.57 is: 16,202.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,714.05 : 28,056.17 = 10,807.57 : x
  2. Step 2: Convert to fraction form
    18,714.05/28,056.17 = 10,807.57/x
  3. Step 3: Cross multiply
    18,714.05x = 28,056.17 × 10,807.57
  4. Step 4: Simplify right side
    18,714.05x = 303,219,083.30
  5. Step 5: Solve for x
    x = 303,219,083.30/18,714.05
  6. Step 6: Final answer
    x = 16,202.75

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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.