Home / 13,103.32-19,654.86-5,310.28

Finding the Fourth Proportional to 13,103.32, 19,654.86 and 5,310.28

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Solution

The fourth proportional to 13,103.32, 19,654.86 and 5,310.28 is: 7,965.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,103.32 : 19,654.86 = 5,310.28 : x
  2. Step 2: Convert to fraction form
    13,103.32/19,654.86 = 5,310.28/x
  3. Step 3: Cross multiply
    13,103.32x = 19,654.86 × 5,310.28
  4. Step 4: Simplify right side
    13,103.32x = 104,372,809.96
  5. Step 5: Solve for x
    x = 104,372,809.96/13,103.32
  6. Step 6: Final answer
    x = 7,965.37

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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.