Home / 21,269.83-29,352.48-11,710.68

Finding the Fourth Proportional to 21,269.83, 29,352.48 and 11,710.68

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Solution

The fourth proportional to 21,269.83, 29,352.48 and 11,710.68 is: 16,160.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,269.83 : 29,352.48 = 11,710.68 : x
  2. Step 2: Convert to fraction form
    21,269.83/29,352.48 = 11,710.68/x
  3. Step 3: Cross multiply
    21,269.83x = 29,352.48 × 11,710.68
  4. Step 4: Simplify right side
    21,269.83x = 343,737,500.49
  5. Step 5: Solve for x
    x = 343,737,500.49/21,269.83
  6. Step 6: Final answer
    x = 16,160.80

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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.