Home / 12,787.84-19,184.73-4,023.64

Finding the Fourth Proportional to 12,787.84, 19,184.73 and 4,023.64

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Solution

The fourth proportional to 12,787.84, 19,184.73 and 4,023.64 is: 6,036.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,787.84 : 19,184.73 = 4,023.64 : x
  2. Step 2: Convert to fraction form
    12,787.84/19,184.73 = 4,023.64/x
  3. Step 3: Cross multiply
    12,787.84x = 19,184.73 × 4,023.64
  4. Step 4: Simplify right side
    12,787.84x = 77,192,447.02
  5. Step 5: Solve for x
    x = 77,192,447.02/12,787.84
  6. Step 6: Final answer
    x = 6,036.39

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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.