Home / 13,257.54-19,888.47-4,489.56

Finding the Fourth Proportional to 13,257.54, 19,888.47 and 4,489.56

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Solution

The fourth proportional to 13,257.54, 19,888.47 and 4,489.56 is: 6,735.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,257.54 : 19,888.47 = 4,489.56 : x
  2. Step 2: Convert to fraction form
    13,257.54/19,888.47 = 4,489.56/x
  3. Step 3: Cross multiply
    13,257.54x = 19,888.47 × 4,489.56
  4. Step 4: Simplify right side
    13,257.54x = 89,290,479.37
  5. Step 5: Solve for x
    x = 89,290,479.37/13,257.54
  6. Step 6: Final answer
    x = 6,735.07

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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.