Home / 19,403.47-29,110.32-10,514.85

Finding the Fourth Proportional to 19,403.47, 29,110.32 and 10,514.85

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Solution

The fourth proportional to 19,403.47, 29,110.32 and 10,514.85 is: 15,775.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,403.47 : 29,110.32 = 10,514.85 : x
  2. Step 2: Convert to fraction form
    19,403.47/29,110.32 = 10,514.85/x
  3. Step 3: Cross multiply
    19,403.47x = 29,110.32 × 10,514.85
  4. Step 4: Simplify right side
    19,403.47x = 306,090,539.09
  5. Step 5: Solve for x
    x = 306,090,539.09/19,403.47
  6. Step 6: Final answer
    x = 15,775.04

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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.