Home / 13,397.86-20,094.09-4,512.16

Finding the Fourth Proportional to 13,397.86, 20,094.09 and 4,512.16

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Solution

The fourth proportional to 13,397.86, 20,094.09 and 4,512.16 is: 6,767.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,397.86 : 20,094.09 = 4,512.16 : x
  2. Step 2: Convert to fraction form
    13,397.86/20,094.09 = 4,512.16/x
  3. Step 3: Cross multiply
    13,397.86x = 20,094.09 × 4,512.16
  4. Step 4: Simplify right side
    13,397.86x = 90,667,749.13
  5. Step 5: Solve for x
    x = 90,667,749.13/13,397.86
  6. Step 6: Final answer
    x = 6,767.33

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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.