Home / 19,923.72-29,888.28-6,772.56

Finding the Fourth Proportional to 19,923.72, 29,888.28 and 6,772.56

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Solution

The fourth proportional to 19,923.72, 29,888.28 and 6,772.56 is: 10,159.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,923.72 : 29,888.28 = 6,772.56 : x
  2. Step 2: Convert to fraction form
    19,923.72/29,888.28 = 6,772.56/x
  3. Step 3: Cross multiply
    19,923.72x = 29,888.28 × 6,772.56
  4. Step 4: Simplify right side
    19,923.72x = 202,420,169.60
  5. Step 5: Solve for x
    x = 202,420,169.60/19,923.72
  6. Step 6: Final answer
    x = 10,159.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.