Home / 13,867.83-19,137.62-7,580.21

Finding the Fourth Proportional to 13,867.83, 19,137.62 and 7,580.21

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Solution

The fourth proportional to 13,867.83, 19,137.62 and 7,580.21 is: 10,460.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,867.83 : 19,137.62 = 7,580.21 : x
  2. Step 2: Convert to fraction form
    13,867.83/19,137.62 = 7,580.21/x
  3. Step 3: Cross multiply
    13,867.83x = 19,137.62 × 7,580.21
  4. Step 4: Simplify right side
    13,867.83x = 145,067,044.91
  5. Step 5: Solve for x
    x = 145,067,044.91/13,867.83
  6. Step 6: Final answer
    x = 10,460.69

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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.