Home / 14,628.78-21,932.60-8,691.59

Finding the Fourth Proportional to 14,628.78, 21,932.60 and 8,691.59

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Solution

The fourth proportional to 14,628.78, 21,932.60 and 8,691.59 is: 13,031.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,628.78 : 21,932.60 = 8,691.59 : x
  2. Step 2: Convert to fraction form
    14,628.78/21,932.60 = 8,691.59/x
  3. Step 3: Cross multiply
    14,628.78x = 21,932.60 × 8,691.59
  4. Step 4: Simplify right side
    14,628.78x = 190,629,013.71
  5. Step 5: Solve for x
    x = 190,629,013.71/14,628.78
  6. Step 6: Final answer
    x = 13,031.09

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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.