Home / 10,618.89-15,928.94-3,223.59

Finding the Fourth Proportional to 10,618.89, 15,928.94 and 3,223.59

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Solution

The fourth proportional to 10,618.89, 15,928.94 and 3,223.59 is: 4,835.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,618.89 : 15,928.94 = 3,223.59 : x
  2. Step 2: Convert to fraction form
    10,618.89/15,928.94 = 3,223.59/x
  3. Step 3: Cross multiply
    10,618.89x = 15,928.94 × 3,223.59
  4. Step 4: Simplify right side
    10,618.89x = 51,348,275.93
  5. Step 5: Solve for x
    x = 51,348,275.93/10,618.89
  6. Step 6: Final answer
    x = 4,835.56

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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.