Home / 21,377.43-29,500.65-11,946.00

Finding the Fourth Proportional to 21,377.43, 29,500.65 and 11,946.00

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Solution

The fourth proportional to 21,377.43, 29,500.65 and 11,946.00 is: 16,485.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,377.43 : 29,500.65 = 11,946.00 : x
  2. Step 2: Convert to fraction form
    21,377.43/29,500.65 = 11,946.00/x
  3. Step 3: Cross multiply
    21,377.43x = 29,500.65 × 11,946.00
  4. Step 4: Simplify right side
    21,377.43x = 352,414,557.67
  5. Step 5: Solve for x
    x = 352,414,557.67/21,377.43
  6. Step 6: Final answer
    x = 16,485.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.