Home / 14,345.87-19,786.33-10,380.11

Finding the Fourth Proportional to 14,345.87, 19,786.33 and 10,380.11

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Solution

The fourth proportional to 14,345.87, 19,786.33 and 10,380.11 is: 14,316.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,345.87 : 19,786.33 = 10,380.11 : x
  2. Step 2: Convert to fraction form
    14,345.87/19,786.33 = 10,380.11/x
  3. Step 3: Cross multiply
    14,345.87x = 19,786.33 × 10,380.11
  4. Step 4: Simplify right side
    14,345.87x = 205,384,281.90
  5. Step 5: Solve for x
    x = 205,384,281.90/14,345.87
  6. Step 6: Final answer
    x = 14,316.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.