Home / 11,643.30-17,464.95-8,362.80

Finding the Fourth Proportional to 11,643.30, 17,464.95 and 8,362.80

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Solution

The fourth proportional to 11,643.30, 17,464.95 and 8,362.80 is: 12,544.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,643.30 : 17,464.95 = 8,362.80 : x
  2. Step 2: Convert to fraction form
    11,643.30/17,464.95 = 8,362.80/x
  3. Step 3: Cross multiply
    11,643.30x = 17,464.95 × 8,362.80
  4. Step 4: Simplify right side
    11,643.30x = 146,055,883.86
  5. Step 5: Solve for x
    x = 146,055,883.86/11,643.30
  6. Step 6: Final answer
    x = 12,544.20

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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.