Home / 18,107.10-27,150.93-5,621.76

Finding the Fourth Proportional to 18,107.10, 27,150.93 and 5,621.76

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Solution

The fourth proportional to 18,107.10, 27,150.93 and 5,621.76 is: 8,429.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,107.10 : 27,150.93 = 5,621.76 : x
  2. Step 2: Convert to fraction form
    18,107.10/27,150.93 = 5,621.76/x
  3. Step 3: Cross multiply
    18,107.10x = 27,150.93 × 5,621.76
  4. Step 4: Simplify right side
    18,107.10x = 152,636,012.24
  5. Step 5: Solve for x
    x = 152,636,012.24/18,107.10
  6. Step 6: Final answer
    x = 8,429.62

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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.