Home / 14,490.61-19,997.30-8,825.57

Finding the Fourth Proportional to 14,490.61, 19,997.30 and 8,825.57

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Solution

The fourth proportional to 14,490.61, 19,997.30 and 8,825.57 is: 12,179.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,490.61 : 19,997.30 = 8,825.57 : x
  2. Step 2: Convert to fraction form
    14,490.61/19,997.30 = 8,825.57/x
  3. Step 3: Cross multiply
    14,490.61x = 19,997.30 × 8,825.57
  4. Step 4: Simplify right side
    14,490.61x = 176,487,493.04
  5. Step 5: Solve for x
    x = 176,487,493.04/14,490.61
  6. Step 6: Final answer
    x = 12,179.44

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1.5x scale

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.