Home / 11,739.04-16,200.90-6,434.88

Finding the Fourth Proportional to 11,739.04, 16,200.90 and 6,434.88

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Solution

The fourth proportional to 11,739.04, 16,200.90 and 6,434.88 is: 8,880.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,739.04 : 16,200.90 = 6,434.88 : x
  2. Step 2: Convert to fraction form
    11,739.04/16,200.90 = 6,434.88/x
  3. Step 3: Cross multiply
    11,739.04x = 16,200.90 × 6,434.88
  4. Step 4: Simplify right side
    11,739.04x = 104,250,847.39
  5. Step 5: Solve for x
    x = 104,250,847.39/11,739.04
  6. Step 6: Final answer
    x = 8,880.70

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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.