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Finding the Fourth Proportional to 17,763.53, 26,643.06 and 4,614.80

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Solution

The fourth proportional to 17,763.53, 26,643.06 and 4,614.80 is: 6,921.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,763.53 : 26,643.06 = 4,614.80 : x
  2. Step 2: Convert to fraction form
    17,763.53/26,643.06 = 4,614.80/x
  3. Step 3: Cross multiply
    17,763.53x = 26,643.06 × 4,614.80
  4. Step 4: Simplify right side
    17,763.53x = 122,952,260.07
  5. Step 5: Solve for x
    x = 122,952,260.07/17,763.53
  6. Step 6: Final answer
    x = 6,921.61

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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.