Home / 19,372.68-26,734.32-12,669.66

Finding the Fourth Proportional to 19,372.68, 26,734.32 and 12,669.66

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Solution

The fourth proportional to 19,372.68, 26,734.32 and 12,669.66 is: 17,484.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,372.68 : 26,734.32 = 12,669.66 : x
  2. Step 2: Convert to fraction form
    19,372.68/26,734.32 = 12,669.66/x
  3. Step 3: Cross multiply
    19,372.68x = 26,734.32 × 12,669.66
  4. Step 4: Simplify right side
    19,372.68x = 338,714,744.73
  5. Step 5: Solve for x
    x = 338,714,744.73/19,372.68
  6. Step 6: Final answer
    x = 17,484.14

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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.