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Finding the Fourth Proportional to 19,009.88, 26,250.44 and 11,852.01

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Solution

The fourth proportional to 19,009.88, 26,250.44 and 11,852.01 is: 16,366.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,009.88 : 26,250.44 = 11,852.01 : x
  2. Step 2: Convert to fraction form
    19,009.88/26,250.44 = 11,852.01/x
  3. Step 3: Cross multiply
    19,009.88x = 26,250.44 × 11,852.01
  4. Step 4: Simplify right side
    19,009.88x = 311,120,477.38
  5. Step 5: Solve for x
    x = 311,120,477.38/19,009.88
  6. Step 6: Final answer
    x = 16,366.25

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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.