Home / 36,897.25-55,351.28-11,929

Finding the Fourth Proportional to 36,897.25, 55,351.28 and 11,929

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Solution

The fourth proportional to 36,897.25, 55,351.28 and 11,929 is: 17,895.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,897.25 : 55,351.28 = 11,929 : x
  2. Step 2: Convert to fraction form
    36,897.25/55,351.28 = 11,929/x
  3. Step 3: Cross multiply
    36,897.25x = 55,351.28 × 11,929
  4. Step 4: Simplify right side
    36,897.25x = 660,285,419.12
  5. Step 5: Solve for x
    x = 660,285,419.12/36,897.25
  6. Step 6: Final answer
    x = 17,895.25

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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.