Home / 14,324.84-21,490.98-5,440.32

Finding the Fourth Proportional to 14,324.84, 21,490.98 and 5,440.32

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Solution

The fourth proportional to 14,324.84, 21,490.98 and 5,440.32 is: 8,161.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,324.84 : 21,490.98 = 5,440.32 : x
  2. Step 2: Convert to fraction form
    14,324.84/21,490.98 = 5,440.32/x
  3. Step 3: Cross multiply
    14,324.84x = 21,490.98 × 5,440.32
  4. Step 4: Simplify right side
    14,324.84x = 116,917,863.66
  5. Step 5: Solve for x
    x = 116,917,863.66/14,324.84
  6. Step 6: Final answer
    x = 8,161.90

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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.