Home / 18,144.84-27,209.88-5,660.67

Finding the Fourth Proportional to 18,144.84, 27,209.88 and 5,660.67

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Solution

The fourth proportional to 18,144.84, 27,209.88 and 5,660.67 is: 8,488.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144.84 : 27,209.88 = 5,660.67 : x
  2. Step 2: Convert to fraction form
    18,144.84/27,209.88 = 5,660.67/x
  3. Step 3: Cross multiply
    18,144.84x = 27,209.88 × 5,660.67
  4. Step 4: Simplify right side
    18,144.84x = 154,026,151.42
  5. Step 5: Solve for x
    x = 154,026,151.42/18,144.84
  6. Step 6: Final answer
    x = 8,488.70

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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.