Home / 13,732.36-18,950.44-7,763.80

Finding the Fourth Proportional to 13,732.36, 18,950.44 and 7,763.80

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Solution

The fourth proportional to 13,732.36, 18,950.44 and 7,763.80 is: 10,713.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,732.36 : 18,950.44 = 7,763.80 : x
  2. Step 2: Convert to fraction form
    13,732.36/18,950.44 = 7,763.80/x
  3. Step 3: Cross multiply
    13,732.36x = 18,950.44 × 7,763.80
  4. Step 4: Simplify right side
    13,732.36x = 147,127,426.07
  5. Step 5: Solve for x
    x = 147,127,426.07/13,732.36
  6. Step 6: Final answer
    x = 10,713.92

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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.