Home / 12,705.58-19,054.33-11,876.35

Finding the Fourth Proportional to 12,705.58, 19,054.33 and 11,876.35

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Solution

The fourth proportional to 12,705.58, 19,054.33 and 11,876.35 is: 17,810.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,705.58 : 19,054.33 = 11,876.35 : x
  2. Step 2: Convert to fraction form
    12,705.58/19,054.33 = 11,876.35/x
  3. Step 3: Cross multiply
    12,705.58x = 19,054.33 × 11,876.35
  4. Step 4: Simplify right side
    12,705.58x = 226,295,892.10
  5. Step 5: Solve for x
    x = 226,295,892.10/12,705.58
  6. Step 6: Final answer
    x = 17,810.75

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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.