Home / 18,150.53-27,219.29-6,461.42

Finding the Fourth Proportional to 18,150.53, 27,219.29 and 6,461.42

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Solution

The fourth proportional to 18,150.53, 27,219.29 and 6,461.42 is: 9,689.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,150.53 : 27,219.29 = 6,461.42 : x
  2. Step 2: Convert to fraction form
    18,150.53/27,219.29 = 6,461.42/x
  3. Step 3: Cross multiply
    18,150.53x = 27,219.29 × 6,461.42
  4. Step 4: Simplify right side
    18,150.53x = 175,875,096.39
  5. Step 5: Solve for x
    x = 175,875,096.39/18,150.53
  6. Step 6: Final answer
    x = 9,689.81

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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.