Home / 13,005.16-19,481.82-12,095.08

Finding the Fourth Proportional to 13,005.16, 19,481.82 and 12,095.08

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Solution

The fourth proportional to 13,005.16, 19,481.82 and 12,095.08 is: 18,118.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,005.16 : 19,481.82 = 12,095.08 : x
  2. Step 2: Convert to fraction form
    13,005.16/19,481.82 = 12,095.08/x
  3. Step 3: Cross multiply
    13,005.16x = 19,481.82 × 12,095.08
  4. Step 4: Simplify right side
    13,005.16x = 235,634,171.45
  5. Step 5: Solve for x
    x = 235,634,171.45/13,005.16
  6. Step 6: Final answer
    x = 18,118.51

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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.