Home / 13,699.91-20,552.37-4,342.28

Finding the Fourth Proportional to 13,699.91, 20,552.37 and 4,342.28

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Solution

The fourth proportional to 13,699.91, 20,552.37 and 4,342.28 is: 6,514.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,699.91 : 20,552.37 = 4,342.28 : x
  2. Step 2: Convert to fraction form
    13,699.91/20,552.37 = 4,342.28/x
  3. Step 3: Cross multiply
    13,699.91x = 20,552.37 × 4,342.28
  4. Step 4: Simplify right side
    13,699.91x = 89,244,145.20
  5. Step 5: Solve for x
    x = 89,244,145.20/13,699.91
  6. Step 6: Final answer
    x = 6,514.21

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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.