Home / 19,917.90-27,495.21-14,179.06

Finding the Fourth Proportional to 19,917.90, 27,495.21 and 14,179.06

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Solution

The fourth proportional to 19,917.90, 27,495.21 and 14,179.06 is: 19,573.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,917.90 : 27,495.21 = 14,179.06 : x
  2. Step 2: Convert to fraction form
    19,917.90/27,495.21 = 14,179.06/x
  3. Step 3: Cross multiply
    19,917.90x = 27,495.21 × 14,179.06
  4. Step 4: Simplify right side
    19,917.90x = 389,856,232.30
  5. Step 5: Solve for x
    x = 389,856,232.30/19,917.90
  6. Step 6: Final answer
    x = 19,573.16

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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.