Home / 13,618.68-18,792.31-7,651.01

Finding the Fourth Proportional to 13,618.68, 18,792.31 and 7,651.01

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Solution

The fourth proportional to 13,618.68, 18,792.31 and 7,651.01 is: 10,557.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,618.68 : 18,792.31 = 7,651.01 : x
  2. Step 2: Convert to fraction form
    13,618.68/18,792.31 = 7,651.01/x
  3. Step 3: Cross multiply
    13,618.68x = 18,792.31 × 7,651.01
  4. Step 4: Simplify right side
    13,618.68x = 143,780,151.73
  5. Step 5: Solve for x
    x = 143,780,151.73/13,618.68
  6. Step 6: Final answer
    x = 10,557.57

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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.