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Finding the Fourth Proportional to 14,485.26, 21,727.89 and 6,693.06

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Solution

The fourth proportional to 14,485.26, 21,727.89 and 6,693.06 is: 10,039.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,485.26 : 21,727.89 = 6,693.06 : x
  2. Step 2: Convert to fraction form
    14,485.26/21,727.89 = 6,693.06/x
  3. Step 3: Cross multiply
    14,485.26x = 21,727.89 × 6,693.06
  4. Step 4: Simplify right side
    14,485.26x = 145,426,071.44
  5. Step 5: Solve for x
    x = 145,426,071.44/14,485.26
  6. Step 6: Final answer
    x = 10,039.59

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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.