Home / 13,238.73-19,860.35-4,471.56

Finding the Fourth Proportional to 13,238.73, 19,860.35 and 4,471.56

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Solution

The fourth proportional to 13,238.73, 19,860.35 and 4,471.56 is: 6,708.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,238.73 : 19,860.35 = 4,471.56 : x
  2. Step 2: Convert to fraction form
    13,238.73/19,860.35 = 4,471.56/x
  3. Step 3: Cross multiply
    13,238.73x = 19,860.35 × 4,471.56
  4. Step 4: Simplify right side
    13,238.73x = 88,806,724.29
  5. Step 5: Solve for x
    x = 88,806,724.29/13,238.73
  6. Step 6: Final answer
    x = 6,708.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.