Home / 19,402.74-29,076.30-11,065.50

Finding the Fourth Proportional to 19,402.74, 29,076.30 and 11,065.50

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Solution

The fourth proportional to 19,402.74, 29,076.30 and 11,065.50 is: 16,582.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,402.74 : 29,076.30 = 11,065.50 : x
  2. Step 2: Convert to fraction form
    19,402.74/29,076.30 = 11,065.50/x
  3. Step 3: Cross multiply
    19,402.74x = 29,076.30 × 11,065.50
  4. Step 4: Simplify right side
    19,402.74x = 321,743,797.65
  5. Step 5: Solve for x
    x = 321,743,797.65/19,402.74
  6. Step 6: Final answer
    x = 16,582.39

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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.