Home / 21,269.58-29,352.14-11,710.43

Finding the Fourth Proportional to 21,269.58, 29,352.14 and 11,710.43

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Solution

The fourth proportional to 21,269.58, 29,352.14 and 11,710.43 is: 16,160.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,269.58 : 29,352.14 = 11,710.43 : x
  2. Step 2: Convert to fraction form
    21,269.58/29,352.14 = 11,710.43/x
  3. Step 3: Cross multiply
    21,269.58x = 29,352.14 × 11,710.43
  4. Step 4: Simplify right side
    21,269.58x = 343,726,180.82
  5. Step 5: Solve for x
    x = 343,726,180.82/21,269.58
  6. Step 6: Final answer
    x = 16,160.46

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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.