Home / 14,827.75-20,462.31-8,540.14

Finding the Fourth Proportional to 14,827.75, 20,462.31 and 8,540.14

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Solution

The fourth proportional to 14,827.75, 20,462.31 and 8,540.14 is: 11,785.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,827.75 : 20,462.31 = 8,540.14 : x
  2. Step 2: Convert to fraction form
    14,827.75/20,462.31 = 8,540.14/x
  3. Step 3: Cross multiply
    14,827.75x = 20,462.31 × 8,540.14
  4. Step 4: Simplify right side
    14,827.75x = 174,750,992.12
  5. Step 5: Solve for x
    x = 174,750,992.12/14,827.75
  6. Step 6: Final answer
    x = 11,785.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.