Home / 10,255.78-14,160.56-6,282.32

Finding the Fourth Proportional to 10,255.78, 14,160.56 and 6,282.32

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Solution

The fourth proportional to 10,255.78, 14,160.56 and 6,282.32 is: 8,674.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,255.78 : 14,160.56 = 6,282.32 : x
  2. Step 2: Convert to fraction form
    10,255.78/14,160.56 = 6,282.32/x
  3. Step 3: Cross multiply
    10,255.78x = 14,160.56 × 6,282.32
  4. Step 4: Simplify right side
    10,255.78x = 88,961,169.30
  5. Step 5: Solve for x
    x = 88,961,169.30/10,255.78
  6. Step 6: Final answer
    x = 8,674.25

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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.