Home / 12,840.49-19,252.42-8,444.62

Finding the Fourth Proportional to 12,840.49, 19,252.42 and 8,444.62

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Solution

The fourth proportional to 12,840.49, 19,252.42 and 8,444.62 is: 12,661.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,840.49 : 19,252.42 = 8,444.62 : x
  2. Step 2: Convert to fraction form
    12,840.49/19,252.42 = 8,444.62/x
  3. Step 3: Cross multiply
    12,840.49x = 19,252.42 × 8,444.62
  4. Step 4: Simplify right side
    12,840.49x = 162,579,370.98
  5. Step 5: Solve for x
    x = 162,579,370.98/12,840.49
  6. Step 6: Final answer
    x = 12,661.46

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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.