Home / 13,654.48-18,854.88-8,627.44

Finding the Fourth Proportional to 13,654.48, 18,854.88 and 8,627.44

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Solution

The fourth proportional to 13,654.48, 18,854.88 and 8,627.44 is: 11,913.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,654.48 : 18,854.88 = 8,627.44 : x
  2. Step 2: Convert to fraction form
    13,654.48/18,854.88 = 8,627.44/x
  3. Step 3: Cross multiply
    13,654.48x = 18,854.88 × 8,627.44
  4. Step 4: Simplify right side
    13,654.48x = 162,669,345.91
  5. Step 5: Solve for x
    x = 162,669,345.91/13,654.48
  6. Step 6: Final answer
    x = 11,913.26

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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.