Home / 20,029.19-30,005.15-11,237.45

Finding the Fourth Proportional to 20,029.19, 30,005.15 and 11,237.45

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Solution

The fourth proportional to 20,029.19, 30,005.15 and 11,237.45 is: 16,834.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,029.19 : 30,005.15 = 11,237.45 : x
  2. Step 2: Convert to fraction form
    20,029.19/30,005.15 = 11,237.45/x
  3. Step 3: Cross multiply
    20,029.19x = 30,005.15 × 11,237.45
  4. Step 4: Simplify right side
    20,029.19x = 337,181,166.65
  5. Step 5: Solve for x
    x = 337,181,166.65/20,029.19
  6. Step 6: Final answer
    x = 16,834.49

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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.