Home / 14,739.85-20,340.34-8,025.50

Finding the Fourth Proportional to 14,739.85, 20,340.34 and 8,025.50

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Solution

The fourth proportional to 14,739.85, 20,340.34 and 8,025.50 is: 11,074.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,739.85 : 20,340.34 = 8,025.50 : x
  2. Step 2: Convert to fraction form
    14,739.85/20,340.34 = 8,025.50/x
  3. Step 3: Cross multiply
    14,739.85x = 20,340.34 × 8,025.50
  4. Step 4: Simplify right side
    14,739.85x = 163,241,256.84
  5. Step 5: Solve for x
    x = 163,241,256.84/14,739.85
  6. Step 6: Final answer
    x = 11,074.83

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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.