Home / 13,654.48-18,846.75-8,353.75

Finding the Fourth Proportional to 13,654.48, 18,846.75 and 8,353.75

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Solution

The fourth proportional to 13,654.48, 18,846.75 and 8,353.75 is: 11,530.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,654.48 : 18,846.75 = 8,353.75 : x
  2. Step 2: Convert to fraction form
    13,654.48/18,846.75 = 8,353.75/x
  3. Step 3: Cross multiply
    13,654.48x = 18,846.75 × 8,353.75
  4. Step 4: Simplify right side
    13,654.48x = 157,440,943.58
  5. Step 5: Solve for x
    x = 157,440,943.58/13,654.48
  6. Step 6: Final answer
    x = 11,530.35

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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.