Home / 10,354.78-14,293.02-6,105.70

Finding the Fourth Proportional to 10,354.78, 14,293.02 and 6,105.70

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Solution

The fourth proportional to 10,354.78, 14,293.02 and 6,105.70 is: 8,427.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,354.78 : 14,293.02 = 6,105.70 : x
  2. Step 2: Convert to fraction form
    10,354.78/14,293.02 = 6,105.70/x
  3. Step 3: Cross multiply
    10,354.78x = 14,293.02 × 6,105.70
  4. Step 4: Simplify right side
    10,354.78x = 87,268,892.21
  5. Step 5: Solve for x
    x = 87,268,892.21/10,354.78
  6. Step 6: Final answer
    x = 8,427.88

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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.