Home / 10,249.78-14,152.28-6,276.31

Finding the Fourth Proportional to 10,249.78, 14,152.28 and 6,276.31

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Solution

The fourth proportional to 10,249.78, 14,152.28 and 6,276.31 is: 8,665.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,249.78 : 14,152.28 = 6,276.31 : x
  2. Step 2: Convert to fraction form
    10,249.78/14,152.28 = 6,276.31/x
  3. Step 3: Cross multiply
    10,249.78x = 14,152.28 × 6,276.31
  4. Step 4: Simplify right side
    10,249.78x = 88,824,096.49
  5. Step 5: Solve for x
    x = 88,824,096.49/10,249.78
  6. Step 6: Final answer
    x = 8,665.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.