Home / 15,645.92-23,412.96-13,590.14

Finding the Fourth Proportional to 15,645.92, 23,412.96 and 13,590.14

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Solution

The fourth proportional to 15,645.92, 23,412.96 and 13,590.14 is: 20,336.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,645.92 : 23,412.96 = 13,590.14 : x
  2. Step 2: Convert to fraction form
    15,645.92/23,412.96 = 13,590.14/x
  3. Step 3: Cross multiply
    15,645.92x = 23,412.96 × 13,590.14
  4. Step 4: Simplify right side
    15,645.92x = 318,185,404.21
  5. Step 5: Solve for x
    x = 318,185,404.21/15,645.92
  6. Step 6: Final answer
    x = 20,336.64

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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.