Home / 19,664.51-27,136.06-10,711.48

Finding the Fourth Proportional to 19,664.51, 27,136.06 and 10,711.48

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Solution

The fourth proportional to 19,664.51, 27,136.06 and 10,711.48 is: 14,781.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,664.51 : 27,136.06 = 10,711.48 : x
  2. Step 2: Convert to fraction form
    19,664.51/27,136.06 = 10,711.48/x
  3. Step 3: Cross multiply
    19,664.51x = 27,136.06 × 10,711.48
  4. Step 4: Simplify right side
    19,664.51x = 290,667,269.35
  5. Step 5: Solve for x
    x = 290,667,269.35/19,664.51
  6. Step 6: Final answer
    x = 14,781.31

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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.