Home / 13,575.30-18,734.66-7,608.89

Finding the Fourth Proportional to 13,575.30, 18,734.66 and 7,608.89

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Solution

The fourth proportional to 13,575.30, 18,734.66 and 7,608.89 is: 10,500.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,575.30 : 18,734.66 = 7,608.89 : x
  2. Step 2: Convert to fraction form
    13,575.30/18,734.66 = 7,608.89/x
  3. Step 3: Cross multiply
    13,575.30x = 18,734.66 × 7,608.89
  4. Step 4: Simplify right side
    13,575.30x = 142,549,892.48
  5. Step 5: Solve for x
    x = 142,549,892.48/13,575.30
  6. Step 6: Final answer
    x = 10,500.68

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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.