Home / 14,363.10-21,490.52-12,906.32

Finding the Fourth Proportional to 14,363.10, 21,490.52 and 12,906.32

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Solution

The fourth proportional to 14,363.10, 21,490.52 and 12,906.32 is: 19,310.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,363.10 : 21,490.52 = 12,906.32 : x
  2. Step 2: Convert to fraction form
    14,363.10/21,490.52 = 12,906.32/x
  3. Step 3: Cross multiply
    14,363.10x = 21,490.52 × 12,906.32
  4. Step 4: Simplify right side
    14,363.10x = 277,363,356.10
  5. Step 5: Solve for x
    x = 277,363,356.10/14,363.10
  6. Step 6: Final answer
    x = 19,310.83

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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.