Home / 21,169.04-29,212.84-11,737.52

Finding the Fourth Proportional to 21,169.04, 29,212.84 and 11,737.52

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Solution

The fourth proportional to 21,169.04, 29,212.84 and 11,737.52 is: 16,197.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,169.04 : 29,212.84 = 11,737.52 : x
  2. Step 2: Convert to fraction form
    21,169.04/29,212.84 = 11,737.52/x
  3. Step 3: Cross multiply
    21,169.04x = 29,212.84 × 11,737.52
  4. Step 4: Simplify right side
    21,169.04x = 342,886,293.76
  5. Step 5: Solve for x
    x = 342,886,293.76/21,169.04
  6. Step 6: Final answer
    x = 16,197.54

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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.