Home / 19,093.30-26,340.11-12,380.62

Finding the Fourth Proportional to 19,093.30, 26,340.11 and 12,380.62

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Solution

The fourth proportional to 19,093.30, 26,340.11 and 12,380.62 is: 17,079.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,093.30 : 26,340.11 = 12,380.62 : x
  2. Step 2: Convert to fraction form
    19,093.30/26,340.11 = 12,380.62/x
  3. Step 3: Cross multiply
    19,093.30x = 26,340.11 × 12,380.62
  4. Step 4: Simplify right side
    19,093.30x = 326,106,892.67
  5. Step 5: Solve for x
    x = 326,106,892.67/19,093.30
  6. Step 6: Final answer
    x = 17,079.65

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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.