Home / 21,473.24-29,646.99-13,819.94

Finding the Fourth Proportional to 21,473.24, 29,646.99 and 13,819.94

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Solution

The fourth proportional to 21,473.24, 29,646.99 and 13,819.94 is: 19,080.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,473.24 : 29,646.99 = 13,819.94 : x
  2. Step 2: Convert to fraction form
    21,473.24/29,646.99 = 13,819.94/x
  3. Step 3: Cross multiply
    21,473.24x = 29,646.99 × 13,819.94
  4. Step 4: Simplify right side
    21,473.24x = 409,719,662.55
  5. Step 5: Solve for x
    x = 409,719,662.55/21,473.24
  6. Step 6: Final answer
    x = 19,080.48

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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.