Home / 14,334.82-21,490.03-5,445.18

Finding the Fourth Proportional to 14,334.82, 21,490.03 and 5,445.18

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Solution

The fourth proportional to 14,334.82, 21,490.03 and 5,445.18 is: 8,163.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,334.82 : 21,490.03 = 5,445.18 : x
  2. Step 2: Convert to fraction form
    14,334.82/21,490.03 = 5,445.18/x
  3. Step 3: Cross multiply
    14,334.82x = 21,490.03 × 5,445.18
  4. Step 4: Simplify right side
    14,334.82x = 117,017,081.56
  5. Step 5: Solve for x
    x = 117,017,081.56/14,334.82
  6. Step 6: Final answer
    x = 8,163.14

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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.