Home / 14,739.20-20,340.48-8,025.08

Finding the Fourth Proportional to 14,739.20, 20,340.48 and 8,025.08

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Solution

The fourth proportional to 14,739.20, 20,340.48 and 8,025.08 is: 11,074.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,739.20 : 20,340.48 = 8,025.08 : x
  2. Step 2: Convert to fraction form
    14,739.20/20,340.48 = 8,025.08/x
  3. Step 3: Cross multiply
    14,739.20x = 20,340.48 × 8,025.08
  4. Step 4: Simplify right side
    14,739.20x = 163,233,979.24
  5. Step 5: Solve for x
    x = 163,233,979.24/14,739.20
  6. Step 6: Final answer
    x = 11,074.82

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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.