Home / 12,994.31-19,492.68-4,226.87

Finding the Fourth Proportional to 12,994.31, 19,492.68 and 4,226.87

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Solution

The fourth proportional to 12,994.31, 19,492.68 and 4,226.87 is: 6,340.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,994.31 : 19,492.68 = 4,226.87 : x
  2. Step 2: Convert to fraction form
    12,994.31/19,492.68 = 4,226.87/x
  3. Step 3: Cross multiply
    12,994.31x = 19,492.68 × 4,226.87
  4. Step 4: Simplify right side
    12,994.31x = 82,393,088.89
  5. Step 5: Solve for x
    x = 82,393,088.89/12,994.31
  6. Step 6: Final answer
    x = 6,340.70

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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.