Home / 10,350.89-15,518.60-3,326.89

Finding the Fourth Proportional to 10,350.89, 15,518.60 and 3,326.89

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Solution

The fourth proportional to 10,350.89, 15,518.60 and 3,326.89 is: 4,987.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,350.89 : 15,518.60 = 3,326.89 : x
  2. Step 2: Convert to fraction form
    10,350.89/15,518.60 = 3,326.89/x
  3. Step 3: Cross multiply
    10,350.89x = 15,518.60 × 3,326.89
  4. Step 4: Simplify right side
    10,350.89x = 51,628,675.15
  5. Step 5: Solve for x
    x = 51,628,675.15/10,350.89
  6. Step 6: Final answer
    x = 4,987.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.