Home / 9,150.50-12,622.83-6,161.24

Finding the Fourth Proportional to 9,150.50, 12,622.83 and 6,161.24

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Solution

The fourth proportional to 9,150.50, 12,622.83 and 6,161.24 is: 8,499.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,150.50 : 12,622.83 = 6,161.24 : x
  2. Step 2: Convert to fraction form
    9,150.50/12,622.83 = 6,161.24/x
  3. Step 3: Cross multiply
    9,150.50x = 12,622.83 × 6,161.24
  4. Step 4: Simplify right side
    9,150.50x = 77,772,285.11
  5. Step 5: Solve for x
    x = 77,772,285.11/9,150.50
  6. Step 6: Final answer
    x = 8,499.24

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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.