Home / 13,073.61-19,568.88-6,825.09

Finding the Fourth Proportional to 13,073.61, 19,568.88 and 6,825.09

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Solution

The fourth proportional to 13,073.61, 19,568.88 and 6,825.09 is: 10,215.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,073.61 : 19,568.88 = 6,825.09 : x
  2. Step 2: Convert to fraction form
    13,073.61/19,568.88 = 6,825.09/x
  3. Step 3: Cross multiply
    13,073.61x = 19,568.88 × 6,825.09
  4. Step 4: Simplify right side
    13,073.61x = 133,559,367.20
  5. Step 5: Solve for x
    x = 133,559,367.20/13,073.61
  6. Step 6: Final answer
    x = 10,215.95

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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.