Home / 21,747.32-32,619.92-12,746.44

Finding the Fourth Proportional to 21,747.32, 32,619.92 and 12,746.44

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Solution

The fourth proportional to 21,747.32, 32,619.92 and 12,746.44 is: 19,119.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,747.32 : 32,619.92 = 12,746.44 : x
  2. Step 2: Convert to fraction form
    21,747.32/32,619.92 = 12,746.44/x
  3. Step 3: Cross multiply
    21,747.32x = 32,619.92 × 12,746.44
  4. Step 4: Simplify right side
    21,747.32x = 415,787,853.08
  5. Step 5: Solve for x
    x = 415,787,853.08/21,747.32
  6. Step 6: Final answer
    x = 19,119.04

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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.