Home / 21,619.52-29,834.92-11,683.52

Finding the Fourth Proportional to 21,619.52, 29,834.92 and 11,683.52

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Solution

The fourth proportional to 21,619.52, 29,834.92 and 11,683.52 is: 16,123.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,619.52 : 29,834.92 = 11,683.52 : x
  2. Step 2: Convert to fraction form
    21,619.52/29,834.92 = 11,683.52/x
  3. Step 3: Cross multiply
    21,619.52x = 29,834.92 × 11,683.52
  4. Step 4: Simplify right side
    21,619.52x = 348,576,884.52
  5. Step 5: Solve for x
    x = 348,576,884.52/21,619.52
  6. Step 6: Final answer
    x = 16,123.25

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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.