Home / 13,299.55-19,961.62-6,730.35

Finding the Fourth Proportional to 13,299.55, 19,961.62 and 6,730.35

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Solution

The fourth proportional to 13,299.55, 19,961.62 and 6,730.35 is: 10,101.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,299.55 : 19,961.62 = 6,730.35 : x
  2. Step 2: Convert to fraction form
    13,299.55/19,961.62 = 6,730.35/x
  3. Step 3: Cross multiply
    13,299.55x = 19,961.62 × 6,730.35
  4. Step 4: Simplify right side
    13,299.55x = 134,348,689.17
  5. Step 5: Solve for x
    x = 134,348,689.17/13,299.55
  6. Step 6: Final answer
    x = 10,101.75

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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.