Home / 10,260.21-15,391.23-2,865.11

Finding the Fourth Proportional to 10,260.21, 15,391.23 and 2,865.11

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Solution

The fourth proportional to 10,260.21, 15,391.23 and 2,865.11 is: 4,297.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,260.21 : 15,391.23 = 2,865.11 : x
  2. Step 2: Convert to fraction form
    10,260.21/15,391.23 = 2,865.11/x
  3. Step 3: Cross multiply
    10,260.21x = 15,391.23 × 2,865.11
  4. Step 4: Simplify right side
    10,260.21x = 44,097,605.46
  5. Step 5: Solve for x
    x = 44,097,605.46/10,260.21
  6. Step 6: Final answer
    x = 4,297.92

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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.