Home / 14,578.31-20,120.50-11,035.37

Finding the Fourth Proportional to 14,578.31, 20,120.50 and 11,035.37

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Solution

The fourth proportional to 14,578.31, 20,120.50 and 11,035.37 is: 15,230.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,578.31 : 20,120.50 = 11,035.37 : x
  2. Step 2: Convert to fraction form
    14,578.31/20,120.50 = 11,035.37/x
  3. Step 3: Cross multiply
    14,578.31x = 20,120.50 × 11,035.37
  4. Step 4: Simplify right side
    14,578.31x = 222,037,226.18
  5. Step 5: Solve for x
    x = 222,037,226.18/14,578.31
  6. Step 6: Final answer
    x = 15,230.65

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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.