Home / 10,146.06-15,218.91-3,907.43

Finding the Fourth Proportional to 10,146.06, 15,218.91 and 3,907.43

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Solution

The fourth proportional to 10,146.06, 15,218.91 and 3,907.43 is: 5,861.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,146.06 : 15,218.91 = 3,907.43 : x
  2. Step 2: Convert to fraction form
    10,146.06/15,218.91 = 3,907.43/x
  3. Step 3: Cross multiply
    10,146.06x = 15,218.91 × 3,907.43
  4. Step 4: Simplify right side
    10,146.06x = 59,466,749.41
  5. Step 5: Solve for x
    x = 59,466,749.41/10,146.06
  6. Step 6: Final answer
    x = 5,861.07

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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.