Home / 13,108.20-19,662.30-10,516.20

Finding the Fourth Proportional to 13,108.20, 19,662.30 and 10,516.20

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Solution

The fourth proportional to 13,108.20, 19,662.30 and 10,516.20 is: 15,774.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,108.20 : 19,662.30 = 10,516.20 : x
  2. Step 2: Convert to fraction form
    13,108.20/19,662.30 = 10,516.20/x
  3. Step 3: Cross multiply
    13,108.20x = 19,662.30 × 10,516.20
  4. Step 4: Simplify right side
    13,108.20x = 206,772,679.26
  5. Step 5: Solve for x
    x = 206,772,679.26/13,108.20
  6. Step 6: Final answer
    x = 15,774.30

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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.