Home / 10,328.31-14,253.17-6,135.75

Finding the Fourth Proportional to 10,328.31, 14,253.17 and 6,135.75

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Solution

The fourth proportional to 10,328.31, 14,253.17 and 6,135.75 is: 8,467.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,328.31 : 14,253.17 = 6,135.75 : x
  2. Step 2: Convert to fraction form
    10,328.31/14,253.17 = 6,135.75/x
  3. Step 3: Cross multiply
    10,328.31x = 14,253.17 × 6,135.75
  4. Step 4: Simplify right side
    10,328.31x = 87,453,857.15
  5. Step 5: Solve for x
    x = 87,453,857.15/10,328.31
  6. Step 6: Final answer
    x = 8,467.39

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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.