Home / 13,089.54-19,635.68-7,549.14

Finding the Fourth Proportional to 13,089.54, 19,635.68 and 7,549.14

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Solution

The fourth proportional to 13,089.54, 19,635.68 and 7,549.14 is: 11,324.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,089.54 : 19,635.68 = 7,549.14 : x
  2. Step 2: Convert to fraction form
    13,089.54/19,635.68 = 7,549.14/x
  3. Step 3: Cross multiply
    13,089.54x = 19,635.68 × 7,549.14
  4. Step 4: Simplify right side
    13,089.54x = 148,232,589.82
  5. Step 5: Solve for x
    x = 148,232,589.82/13,089.54
  6. Step 6: Final answer
    x = 11,324.50

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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.