Home / 21,263.43-29,327.49-14,080.62

Finding the Fourth Proportional to 21,263.43, 29,327.49 and 14,080.62

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Solution

The fourth proportional to 21,263.43, 29,327.49 and 14,080.62 is: 19,420.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,263.43 : 29,327.49 = 14,080.62 : x
  2. Step 2: Convert to fraction form
    21,263.43/29,327.49 = 14,080.62/x
  3. Step 3: Cross multiply
    21,263.43x = 29,327.49 × 14,080.62
  4. Step 4: Simplify right side
    21,263.43x = 412,949,242.24
  5. Step 5: Solve for x
    x = 412,949,242.24/21,263.43
  6. Step 6: Final answer
    x = 19,420.63

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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.