Home / 10,210.78-14,090.52-6,238.54

Finding the Fourth Proportional to 10,210.78, 14,090.52 and 6,238.54

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Solution

The fourth proportional to 10,210.78, 14,090.52 and 6,238.54 is: 8,608.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,210.78 : 14,090.52 = 6,238.54 : x
  2. Step 2: Convert to fraction form
    10,210.78/14,090.52 = 6,238.54/x
  3. Step 3: Cross multiply
    10,210.78x = 14,090.52 × 6,238.54
  4. Step 4: Simplify right side
    10,210.78x = 87,904,272.64
  5. Step 5: Solve for x
    x = 87,904,272.64/10,210.78
  6. Step 6: Final answer
    x = 8,608.97

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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.