Home / 15,227.42-21,019.65-9,923.54

Finding the Fourth Proportional to 15,227.42, 21,019.65 and 9,923.54

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Solution

The fourth proportional to 15,227.42, 21,019.65 and 9,923.54 is: 13,698.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,227.42 : 21,019.65 = 9,923.54 : x
  2. Step 2: Convert to fraction form
    15,227.42/21,019.65 = 9,923.54/x
  3. Step 3: Cross multiply
    15,227.42x = 21,019.65 × 9,923.54
  4. Step 4: Simplify right side
    15,227.42x = 208,589,337.56
  5. Step 5: Solve for x
    x = 208,589,337.56/15,227.42
  6. Step 6: Final answer
    x = 13,698.27

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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.