Home / 10,014.49-15,021.79-2,618.97

Finding the Fourth Proportional to 10,014.49, 15,021.79 and 2,618.97

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Solution

The fourth proportional to 10,014.49, 15,021.79 and 2,618.97 is: 3,928.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,014.49 : 15,021.79 = 2,618.97 : x
  2. Step 2: Convert to fraction form
    10,014.49/15,021.79 = 2,618.97/x
  3. Step 3: Cross multiply
    10,014.49x = 15,021.79 × 2,618.97
  4. Step 4: Simplify right side
    10,014.49x = 39,341,529.15
  5. Step 5: Solve for x
    x = 39,341,529.15/10,014.49
  6. Step 6: Final answer
    x = 3,928.46

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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.