Home / 11,969.08-17,953.63-5,387.58

Finding the Fourth Proportional to 11,969.08, 17,953.63 and 5,387.58

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Solution

The fourth proportional to 11,969.08, 17,953.63 and 5,387.58 is: 8,081.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,969.08 : 17,953.63 = 5,387.58 : x
  2. Step 2: Convert to fraction form
    11,969.08/17,953.63 = 5,387.58/x
  3. Step 3: Cross multiply
    11,969.08x = 17,953.63 × 5,387.58
  4. Step 4: Simplify right side
    11,969.08x = 96,726,617.92
  5. Step 5: Solve for x
    x = 96,726,617.92/11,969.08
  6. Step 6: Final answer
    x = 8,081.37

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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.