Home / 19,923.08-29,888.27-8,237.21

Finding the Fourth Proportional to 19,923.08, 29,888.27 and 8,237.21

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Solution

The fourth proportional to 19,923.08, 29,888.27 and 8,237.21 is: 12,357.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,923.08 : 29,888.27 = 8,237.21 : x
  2. Step 2: Convert to fraction form
    19,923.08/29,888.27 = 8,237.21/x
  3. Step 3: Cross multiply
    19,923.08x = 29,888.27 × 8,237.21
  4. Step 4: Simplify right side
    19,923.08x = 246,195,765.90
  5. Step 5: Solve for x
    x = 246,195,765.90/19,923.08
  6. Step 6: Final answer
    x = 12,357.32

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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.