Home / 18,396.34-27,595.56-5,247.70

Finding the Fourth Proportional to 18,396.34, 27,595.56 and 5,247.70

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Solution

The fourth proportional to 18,396.34, 27,595.56 and 5,247.70 is: 7,871.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,396.34 : 27,595.56 = 5,247.70 : x
  2. Step 2: Convert to fraction form
    18,396.34/27,595.56 = 5,247.70/x
  3. Step 3: Cross multiply
    18,396.34x = 27,595.56 × 5,247.70
  4. Step 4: Simplify right side
    18,396.34x = 144,813,220.21
  5. Step 5: Solve for x
    x = 144,813,220.21/18,396.34
  6. Step 6: Final answer
    x = 7,871.85

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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.