Home / 21,195.76-29,254.19-14,025.82

Finding the Fourth Proportional to 21,195.76, 29,254.19 and 14,025.82

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Solution

The fourth proportional to 21,195.76, 29,254.19 and 14,025.82 is: 19,358.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,195.76 : 29,254.19 = 14,025.82 : x
  2. Step 2: Convert to fraction form
    21,195.76/29,254.19 = 14,025.82/x
  3. Step 3: Cross multiply
    21,195.76x = 29,254.19 × 14,025.82
  4. Step 4: Simplify right side
    21,195.76x = 410,314,003.19
  5. Step 5: Solve for x
    x = 410,314,003.19/21,195.76
  6. Step 6: Final answer
    x = 19,358.31

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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.