Home / 19,791.96-27,313.04-10,840.28

Finding the Fourth Proportional to 19,791.96, 27,313.04 and 10,840.28

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Solution

The fourth proportional to 19,791.96, 27,313.04 and 10,840.28 is: 14,959.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,791.96 : 27,313.04 = 10,840.28 : x
  2. Step 2: Convert to fraction form
    19,791.96/27,313.04 = 10,840.28/x
  3. Step 3: Cross multiply
    19,791.96x = 27,313.04 × 10,840.28
  4. Step 4: Simplify right side
    19,791.96x = 296,081,001.25
  5. Step 5: Solve for x
    x = 296,081,001.25/19,791.96
  6. Step 6: Final answer
    x = 14,959.66

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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.