Home / 13,845.21-20,746.55-9,397.09

Finding the Fourth Proportional to 13,845.21, 20,746.55 and 9,397.09

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Solution

The fourth proportional to 13,845.21, 20,746.55 and 9,397.09 is: 14,081.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,845.21 : 20,746.55 = 9,397.09 : x
  2. Step 2: Convert to fraction form
    13,845.21/20,746.55 = 9,397.09/x
  3. Step 3: Cross multiply
    13,845.21x = 20,746.55 × 9,397.09
  4. Step 4: Simplify right side
    13,845.21x = 194,957,197.54
  5. Step 5: Solve for x
    x = 194,957,197.54/13,845.21
  6. Step 6: Final answer
    x = 14,081.20

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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.