Home / 17,407.62-26,078.55-13,492.86

Finding the Fourth Proportional to 17,407.62, 26,078.55 and 13,492.86

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Solution

The fourth proportional to 17,407.62, 26,078.55 and 13,492.86 is: 20,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,407.62 : 26,078.55 = 13,492.86 : x
  2. Step 2: Convert to fraction form
    17,407.62/26,078.55 = 13,492.86/x
  3. Step 3: Cross multiply
    17,407.62x = 26,078.55 × 13,492.86
  4. Step 4: Simplify right side
    17,407.62x = 351,874,224.15
  5. Step 5: Solve for x
    x = 351,874,224.15/17,407.62
  6. Step 6: Final answer
    x = 20,213.80

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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.