Home / 10,512.41-15,768.27-4,270.57

Finding the Fourth Proportional to 10,512.41, 15,768.27 and 4,270.57

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Solution

The fourth proportional to 10,512.41, 15,768.27 and 4,270.57 is: 6,405.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,512.41 : 15,768.27 = 4,270.57 : x
  2. Step 2: Convert to fraction form
    10,512.41/15,768.27 = 4,270.57/x
  3. Step 3: Cross multiply
    10,512.41x = 15,768.27 × 4,270.57
  4. Step 4: Simplify right side
    10,512.41x = 67,339,550.09
  5. Step 5: Solve for x
    x = 67,339,550.09/10,512.41
  6. Step 6: Final answer
    x = 6,405.72

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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.