Home / 21,343.24-29,418.42-14,267.08

Finding the Fourth Proportional to 21,343.24, 29,418.42 and 14,267.08

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Solution

The fourth proportional to 21,343.24, 29,418.42 and 14,267.08 is: 19,665.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,343.24 : 29,418.42 = 14,267.08 : x
  2. Step 2: Convert to fraction form
    21,343.24/29,418.42 = 14,267.08/x
  3. Step 3: Cross multiply
    21,343.24x = 29,418.42 × 14,267.08
  4. Step 4: Simplify right side
    21,343.24x = 419,714,951.61
  5. Step 5: Solve for x
    x = 419,714,951.61/21,343.24
  6. Step 6: Final answer
    x = 19,665.01

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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.