Home / 10,095.99-13,932.36-5,619.68

Finding the Fourth Proportional to 10,095.99, 13,932.36 and 5,619.68

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Solution

The fourth proportional to 10,095.99, 13,932.36 and 5,619.68 is: 7,755.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,095.99 : 13,932.36 = 5,619.68 : x
  2. Step 2: Convert to fraction form
    10,095.99/13,932.36 = 5,619.68/x
  3. Step 3: Cross multiply
    10,095.99x = 13,932.36 × 5,619.68
  4. Step 4: Simplify right side
    10,095.99x = 78,295,335.18
  5. Step 5: Solve for x
    x = 78,295,335.18/10,095.99
  6. Step 6: Final answer
    x = 7,755.09

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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.