Home / 14,422.21-21,618.56-9,161.06

Finding the Fourth Proportional to 14,422.21, 21,618.56 and 9,161.06

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Solution

The fourth proportional to 14,422.21, 21,618.56 and 9,161.06 is: 13,732.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,422.21 : 21,618.56 = 9,161.06 : x
  2. Step 2: Convert to fraction form
    14,422.21/21,618.56 = 9,161.06/x
  3. Step 3: Cross multiply
    14,422.21x = 21,618.56 × 9,161.06
  4. Step 4: Simplify right side
    14,422.21x = 198,048,840.08
  5. Step 5: Solve for x
    x = 198,048,840.08/14,422.21
  6. Step 6: Final answer
    x = 13,732.21

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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.