Home / 13,289.54-19,932.62-8,344.08

Finding the Fourth Proportional to 13,289.54, 19,932.62 and 8,344.08

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Solution

The fourth proportional to 13,289.54, 19,932.62 and 8,344.08 is: 12,515.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,289.54 : 19,932.62 = 8,344.08 : x
  2. Step 2: Convert to fraction form
    13,289.54/19,932.62 = 8,344.08/x
  3. Step 3: Cross multiply
    13,289.54x = 19,932.62 × 8,344.08
  4. Step 4: Simplify right side
    13,289.54x = 166,319,334.17
  5. Step 5: Solve for x
    x = 166,319,334.17/13,289.54
  6. Step 6: Final answer
    x = 12,515.06

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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.