Home / 16,722.60-25,181.64-12,370.68

Finding the Fourth Proportional to 16,722.60, 25,181.64 and 12,370.68

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Solution

The fourth proportional to 16,722.60, 25,181.64 and 12,370.68 is: 18,628.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,722.60 : 25,181.64 = 12,370.68 : x
  2. Step 2: Convert to fraction form
    16,722.60/25,181.64 = 12,370.68/x
  3. Step 3: Cross multiply
    16,722.60x = 25,181.64 × 12,370.68
  4. Step 4: Simplify right side
    16,722.60x = 311,514,010.32
  5. Step 5: Solve for x
    x = 311,514,010.32/16,722.60
  6. Step 6: Final answer
    x = 18,628.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.