Home / 19,909.35-27,474.92-10,957.50

Finding the Fourth Proportional to 19,909.35, 27,474.92 and 10,957.50

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Solution

The fourth proportional to 19,909.35, 27,474.92 and 10,957.50 is: 15,121.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,909.35 : 27,474.92 = 10,957.50 : x
  2. Step 2: Convert to fraction form
    19,909.35/27,474.92 = 10,957.50/x
  3. Step 3: Cross multiply
    19,909.35x = 27,474.92 × 10,957.50
  4. Step 4: Simplify right side
    19,909.35x = 301,056,435.90
  5. Step 5: Solve for x
    x = 301,056,435.90/19,909.35
  6. Step 6: Final answer
    x = 15,121.36

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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.