Home / 14,739.57-20,340.32-8,025.28

Finding the Fourth Proportional to 14,739.57, 20,340.32 and 8,025.28

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Solution

The fourth proportional to 14,739.57, 20,340.32 and 8,025.28 is: 11,074.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,739.57 : 20,340.32 = 8,025.28 : x
  2. Step 2: Convert to fraction form
    14,739.57/20,340.32 = 8,025.28/x
  3. Step 3: Cross multiply
    14,739.57x = 20,340.32 × 8,025.28
  4. Step 4: Simplify right side
    14,739.57x = 163,236,672.31
  5. Step 5: Solve for x
    x = 163,236,672.31/14,739.57
  6. Step 6: Final answer
    x = 11,074.72

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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.