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Finding the Fourth Proportional to 14,254.56, 21,382.56 and 4,400.58

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Solution

The fourth proportional to 14,254.56, 21,382.56 and 4,400.58 is: 6,601.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,254.56 : 21,382.56 = 4,400.58 : x
  2. Step 2: Convert to fraction form
    14,254.56/21,382.56 = 4,400.58/x
  3. Step 3: Cross multiply
    14,254.56x = 21,382.56 × 4,400.58
  4. Step 4: Simplify right side
    14,254.56x = 94,095,665.88
  5. Step 5: Solve for x
    x = 94,095,665.88/14,254.56
  6. Step 6: Final answer
    x = 6,601.09

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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.