Home / 13,794.63-19,036.38-8,415.84

Finding the Fourth Proportional to 13,794.63, 19,036.38 and 8,415.84

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Solution

The fourth proportional to 13,794.63, 19,036.38 and 8,415.84 is: 11,613.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,794.63 : 19,036.38 = 8,415.84 : x
  2. Step 2: Convert to fraction form
    13,794.63/19,036.38 = 8,415.84/x
  3. Step 3: Cross multiply
    13,794.63x = 19,036.38 × 8,415.84
  4. Step 4: Simplify right side
    13,794.63x = 160,207,128.26
  5. Step 5: Solve for x
    x = 160,207,128.26/13,794.63
  6. Step 6: Final answer
    x = 11,613.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.