Home / 19,427.06-26,809.45-11,473.21

Finding the Fourth Proportional to 19,427.06, 26,809.45 and 11,473.21

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Solution

The fourth proportional to 19,427.06, 26,809.45 and 11,473.21 is: 15,833.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,427.06 : 26,809.45 = 11,473.21 : x
  2. Step 2: Convert to fraction form
    19,427.06/26,809.45 = 11,473.21/x
  3. Step 3: Cross multiply
    19,427.06x = 26,809.45 × 11,473.21
  4. Step 4: Simplify right side
    19,427.06x = 307,590,449.83
  5. Step 5: Solve for x
    x = 307,590,449.83/19,427.06
  6. Step 6: Final answer
    x = 15,833.09

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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.