Home / 19,643.72-29,453.83-13,326.39

Finding the Fourth Proportional to 19,643.72, 29,453.83 and 13,326.39

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Solution

The fourth proportional to 19,643.72, 29,453.83 and 13,326.39 is: 19,981.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,643.72 : 29,453.83 = 13,326.39 : x
  2. Step 2: Convert to fraction form
    19,643.72/29,453.83 = 13,326.39/x
  3. Step 3: Cross multiply
    19,643.72x = 29,453.83 × 13,326.39
  4. Step 4: Simplify right side
    19,643.72x = 392,513,192.26
  5. Step 5: Solve for x
    x = 392,513,192.26/19,643.72
  6. Step 6: Final answer
    x = 19,981.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.