Home / 18,210.99-27,314.62-5,730.65

Finding the Fourth Proportional to 18,210.99, 27,314.62 and 5,730.65

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Solution

The fourth proportional to 18,210.99, 27,314.62 and 5,730.65 is: 8,595.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,210.99 : 27,314.62 = 5,730.65 : x
  2. Step 2: Convert to fraction form
    18,210.99/27,314.62 = 5,730.65/x
  3. Step 3: Cross multiply
    18,210.99x = 27,314.62 × 5,730.65
  4. Step 4: Simplify right side
    18,210.99x = 156,530,478.63
  5. Step 5: Solve for x
    x = 156,530,478.63/18,210.99
  6. Step 6: Final answer
    x = 8,595.38

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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.