Home / 18,145.32-27,220.56-5,666.46

Finding the Fourth Proportional to 18,145.32, 27,220.56 and 5,666.46

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Solution

The fourth proportional to 18,145.32, 27,220.56 and 5,666.46 is: 8,500.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145.32 : 27,220.56 = 5,666.46 : x
  2. Step 2: Convert to fraction form
    18,145.32/27,220.56 = 5,666.46/x
  3. Step 3: Cross multiply
    18,145.32x = 27,220.56 × 5,666.46
  4. Step 4: Simplify right side
    18,145.32x = 154,244,214.42
  5. Step 5: Solve for x
    x = 154,244,214.42/18,145.32
  6. Step 6: Final answer
    x = 8,500.50

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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.