Home / 13,286.06-19,918.75-8,596.16

Finding the Fourth Proportional to 13,286.06, 19,918.75 and 8,596.16

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Solution

The fourth proportional to 13,286.06, 19,918.75 and 8,596.16 is: 12,887.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286.06 : 19,918.75 = 8,596.16 : x
  2. Step 2: Convert to fraction form
    13,286.06/19,918.75 = 8,596.16/x
  3. Step 3: Cross multiply
    13,286.06x = 19,918.75 × 8,596.16
  4. Step 4: Simplify right side
    13,286.06x = 171,224,762
  5. Step 5: Solve for x
    x = 171,224,762/13,286.06
  6. Step 6: Final answer
    x = 12,887.55

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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.