Home / 13,857.04-19,083.84-12,967.64

Finding the Fourth Proportional to 13,857.04, 19,083.84 and 12,967.64

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Solution

The fourth proportional to 13,857.04, 19,083.84 and 12,967.64 is: 17,858.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,857.04 : 19,083.84 = 12,967.64 : x
  2. Step 2: Convert to fraction form
    13,857.04/19,083.84 = 12,967.64/x
  3. Step 3: Cross multiply
    13,857.04x = 19,083.84 × 12,967.64
  4. Step 4: Simplify right side
    13,857.04x = 247,472,366.94
  5. Step 5: Solve for x
    x = 247,472,366.94/13,857.04
  6. Step 6: Final answer
    x = 17,858.96

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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.