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Finding the Fourth Proportional to 14,047.23, 21,073.99 and 5,282.22

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Solution

The fourth proportional to 14,047.23, 21,073.99 and 5,282.22 is: 7,924.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,047.23 : 21,073.99 = 5,282.22 : x
  2. Step 2: Convert to fraction form
    14,047.23/21,073.99 = 5,282.22/x
  3. Step 3: Cross multiply
    14,047.23x = 21,073.99 × 5,282.22
  4. Step 4: Simplify right side
    14,047.23x = 111,317,451.46
  5. Step 5: Solve for x
    x = 111,317,451.46/14,047.23
  6. Step 6: Final answer
    x = 7,924.51

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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.