Home / 13,157.26-19,736.07-4,392.18

Finding the Fourth Proportional to 13,157.26, 19,736.07 and 4,392.18

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Solution

The fourth proportional to 13,157.26, 19,736.07 and 4,392.18 is: 6,588.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,157.26 : 19,736.07 = 4,392.18 : x
  2. Step 2: Convert to fraction form
    13,157.26/19,736.07 = 4,392.18/x
  3. Step 3: Cross multiply
    13,157.26x = 19,736.07 × 4,392.18
  4. Step 4: Simplify right side
    13,157.26x = 86,684,251.29
  5. Step 5: Solve for x
    x = 86,684,251.29/13,157.26
  6. Step 6: Final answer
    x = 6,588.32

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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.