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Finding the Fourth Proportional to 14,412.54, 21,619.21 and 4,024.28

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Solution

The fourth proportional to 14,412.54, 21,619.21 and 4,024.28 is: 6,036.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,412.54 : 21,619.21 = 4,024.28 : x
  2. Step 2: Convert to fraction form
    14,412.54/21,619.21 = 4,024.28/x
  3. Step 3: Cross multiply
    14,412.54x = 21,619.21 × 4,024.28
  4. Step 4: Simplify right side
    14,412.54x = 87,001,754.42
  5. Step 5: Solve for x
    x = 87,001,754.42/14,412.54
  6. Step 6: Final answer
    x = 6,036.53

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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.