Home / 10,303.52-15,448.68-6,789.44

Finding the Fourth Proportional to 10,303.52, 15,448.68 and 6,789.44

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Solution

The fourth proportional to 10,303.52, 15,448.68 and 6,789.44 is: 10,179.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,303.52 : 15,448.68 = 6,789.44 : x
  2. Step 2: Convert to fraction form
    10,303.52/15,448.68 = 6,789.44/x
  3. Step 3: Cross multiply
    10,303.52x = 15,448.68 × 6,789.44
  4. Step 4: Simplify right side
    10,303.52x = 104,887,885.94
  5. Step 5: Solve for x
    x = 104,887,885.94/10,303.52
  6. Step 6: Final answer
    x = 10,179.81

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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.