Home / 13,955.70-19,208.79-12,626.58

Finding the Fourth Proportional to 13,955.70, 19,208.79 and 12,626.58

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Solution

The fourth proportional to 13,955.70, 19,208.79 and 12,626.58 is: 17,379.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,955.70 : 19,208.79 = 12,626.58 : x
  2. Step 2: Convert to fraction form
    13,955.70/19,208.79 = 12,626.58/x
  3. Step 3: Cross multiply
    13,955.70x = 19,208.79 × 12,626.58
  4. Step 4: Simplify right side
    13,955.70x = 242,541,323.64
  5. Step 5: Solve for x
    x = 242,541,323.64/13,955.70
  6. Step 6: Final answer
    x = 17,379.37

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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.