Home / 18,991.43-26,206.81-10,493.46

Finding the Fourth Proportional to 18,991.43, 26,206.81 and 10,493.46

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Solution

The fourth proportional to 18,991.43, 26,206.81 and 10,493.46 is: 14,480.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,991.43 : 26,206.81 = 10,493.46 : x
  2. Step 2: Convert to fraction form
    18,991.43/26,206.81 = 10,493.46/x
  3. Step 3: Cross multiply
    18,991.43x = 26,206.81 × 10,493.46
  4. Step 4: Simplify right side
    18,991.43x = 275,000,112.46
  5. Step 5: Solve for x
    x = 275,000,112.46/18,991.43
  6. Step 6: Final answer
    x = 14,480.22

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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.