Home / 20,737.06-28,617.93-11,786.08

Finding the Fourth Proportional to 20,737.06, 28,617.93 and 11,786.08

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Solution

The fourth proportional to 20,737.06, 28,617.93 and 11,786.08 is: 16,265.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,737.06 : 28,617.93 = 11,786.08 : x
  2. Step 2: Convert to fraction form
    20,737.06/28,617.93 = 11,786.08/x
  3. Step 3: Cross multiply
    20,737.06x = 28,617.93 × 11,786.08
  4. Step 4: Simplify right side
    20,737.06x = 337,293,212.41
  5. Step 5: Solve for x
    x = 337,293,212.41/20,737.06
  6. Step 6: Final answer
    x = 16,265.24

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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.