Home / 13,732.28-18,950.99-7,600.05

Finding the Fourth Proportional to 13,732.28, 18,950.99 and 7,600.05

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Solution

The fourth proportional to 13,732.28, 18,950.99 and 7,600.05 is: 10,488.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,732.28 : 18,950.99 = 7,600.05 : x
  2. Step 2: Convert to fraction form
    13,732.28/18,950.99 = 7,600.05/x
  3. Step 3: Cross multiply
    13,732.28x = 18,950.99 × 7,600.05
  4. Step 4: Simplify right side
    13,732.28x = 144,028,471.55
  5. Step 5: Solve for x
    x = 144,028,471.55/13,732.28
  6. Step 6: Final answer
    x = 10,488.31

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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.