Home / 19,941.30-27,518.31-10,988.96

Finding the Fourth Proportional to 19,941.30, 27,518.31 and 10,988.96

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Solution

The fourth proportional to 19,941.30, 27,518.31 and 10,988.96 is: 15,164.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,941.30 : 27,518.31 = 10,988.96 : x
  2. Step 2: Convert to fraction form
    19,941.30/27,518.31 = 10,988.96/x
  3. Step 3: Cross multiply
    19,941.30x = 27,518.31 × 10,988.96
  4. Step 4: Simplify right side
    19,941.30x = 302,397,470.27
  5. Step 5: Solve for x
    x = 302,397,470.27/19,941.30
  6. Step 6: Final answer
    x = 15,164.38

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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.