Home / 12,987.33-19,474.06-6,741.05

Finding the Fourth Proportional to 12,987.33, 19,474.06 and 6,741.05

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Solution

The fourth proportional to 12,987.33, 19,474.06 and 6,741.05 is: 10,107.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,987.33 : 19,474.06 = 6,741.05 : x
  2. Step 2: Convert to fraction form
    12,987.33/19,474.06 = 6,741.05/x
  3. Step 3: Cross multiply
    12,987.33x = 19,474.06 × 6,741.05
  4. Step 4: Simplify right side
    12,987.33x = 131,275,612.16
  5. Step 5: Solve for x
    x = 131,275,612.16/12,987.33
  6. Step 6: Final answer
    x = 10,107.98

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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.