Home / 12,960.84-19,439.10-4,194.48

Finding the Fourth Proportional to 12,960.84, 19,439.10 and 4,194.48

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Solution

The fourth proportional to 12,960.84, 19,439.10 and 4,194.48 is: 6,291.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,960.84 : 19,439.10 = 4,194.48 : x
  2. Step 2: Convert to fraction form
    12,960.84/19,439.10 = 4,194.48/x
  3. Step 3: Cross multiply
    12,960.84x = 19,439.10 × 4,194.48
  4. Step 4: Simplify right side
    12,960.84x = 81,536,916.17
  5. Step 5: Solve for x
    x = 81,536,916.17/12,960.84
  6. Step 6: Final answer
    x = 6,291.02

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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.