Home / 19,790.90-27,312.06-10,839.26

Finding the Fourth Proportional to 19,790.90, 27,312.06 and 10,839.26

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Solution

The fourth proportional to 19,790.90, 27,312.06 and 10,839.26 is: 14,958.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,790.90 : 27,312.06 = 10,839.26 : x
  2. Step 2: Convert to fraction form
    19,790.90/27,312.06 = 10,839.26/x
  3. Step 3: Cross multiply
    19,790.90x = 27,312.06 × 10,839.26
  4. Step 4: Simplify right side
    19,790.90x = 296,042,519.48
  5. Step 5: Solve for x
    x = 296,042,519.48/19,790.90
  6. Step 6: Final answer
    x = 14,958.52

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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.