Home / 14,507.31-20,025.66-8,539.23

Finding the Fourth Proportional to 14,507.31, 20,025.66 and 8,539.23

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Solution

The fourth proportional to 14,507.31, 20,025.66 and 8,539.23 is: 11,787.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,507.31 : 20,025.66 = 8,539.23 : x
  2. Step 2: Convert to fraction form
    14,507.31/20,025.66 = 8,539.23/x
  3. Step 3: Cross multiply
    14,507.31x = 20,025.66 × 8,539.23
  4. Step 4: Simplify right side
    14,507.31x = 171,003,716.64
  5. Step 5: Solve for x
    x = 171,003,716.64/14,507.31
  6. Step 6: Final answer
    x = 11,787.42

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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.