Home / 9,105.20-13,656.21-4,106.49

Finding the Fourth Proportional to 9,105.20, 13,656.21 and 4,106.49

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Solution

The fourth proportional to 9,105.20, 13,656.21 and 4,106.49 is: 6,159.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,105.20 : 13,656.21 = 4,106.49 : x
  2. Step 2: Convert to fraction form
    9,105.20/13,656.21 = 4,106.49/x
  3. Step 3: Cross multiply
    9,105.20x = 13,656.21 × 4,106.49
  4. Step 4: Simplify right side
    9,105.20x = 56,079,089.80
  5. Step 5: Solve for x
    x = 56,079,089.80/9,105.20
  6. Step 6: Final answer
    x = 6,159.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.