Home / 19,721.41-27,215.93-10,769.27

Finding the Fourth Proportional to 19,721.41, 27,215.93 and 10,769.27

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Solution

The fourth proportional to 19,721.41, 27,215.93 and 10,769.27 is: 14,861.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,721.41 : 27,215.93 = 10,769.27 : x
  2. Step 2: Convert to fraction form
    19,721.41/27,215.93 = 10,769.27/x
  3. Step 3: Cross multiply
    19,721.41x = 27,215.93 × 10,769.27
  4. Step 4: Simplify right side
    19,721.41x = 293,095,589.31
  5. Step 5: Solve for x
    x = 293,095,589.31/19,721.41
  6. Step 6: Final answer
    x = 14,861.80

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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.