Home / 13,654.06-18,842.26-8,938.24

Finding the Fourth Proportional to 13,654.06, 18,842.26 and 8,938.24

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Solution

The fourth proportional to 13,654.06, 18,842.26 and 8,938.24 is: 12,334.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,654.06 : 18,842.26 = 8,938.24 : x
  2. Step 2: Convert to fraction form
    13,654.06/18,842.26 = 8,938.24/x
  3. Step 3: Cross multiply
    13,654.06x = 18,842.26 × 8,938.24
  4. Step 4: Simplify right side
    13,654.06x = 168,416,642.02
  5. Step 5: Solve for x
    x = 168,416,642.02/13,654.06
  6. Step 6: Final answer
    x = 12,334.55

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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.