Home / 19,005.83-28,486.85-10,222.29

Finding the Fourth Proportional to 19,005.83, 28,486.85 and 10,222.29

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Solution

The fourth proportional to 19,005.83, 28,486.85 and 10,222.29 is: 15,321.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,005.83 : 28,486.85 = 10,222.29 : x
  2. Step 2: Convert to fraction form
    19,005.83/28,486.85 = 10,222.29/x
  3. Step 3: Cross multiply
    19,005.83x = 28,486.85 × 10,222.29
  4. Step 4: Simplify right side
    19,005.83x = 291,200,790.78
  5. Step 5: Solve for x
    x = 291,200,790.78/19,005.83
  6. Step 6: Final answer
    x = 15,321.66

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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.