Home / 13,086.36-19,631.70-6,157.08

Finding the Fourth Proportional to 13,086.36, 19,631.70 and 6,157.08

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Solution

The fourth proportional to 13,086.36, 19,631.70 and 6,157.08 is: 9,236.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,086.36 : 19,631.70 = 6,157.08 : x
  2. Step 2: Convert to fraction form
    13,086.36/19,631.70 = 6,157.08/x
  3. Step 3: Cross multiply
    13,086.36x = 19,631.70 × 6,157.08
  4. Step 4: Simplify right side
    13,086.36x = 120,873,947.44
  5. Step 5: Solve for x
    x = 120,873,947.44/13,086.36
  6. Step 6: Final answer
    x = 9,236.64

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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.