Home / 21,384.62-32,055.98-11,901.45

Finding the Fourth Proportional to 21,384.62, 32,055.98 and 11,901.45

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Solution

The fourth proportional to 21,384.62, 32,055.98 and 11,901.45 is: 17,840.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,384.62 : 32,055.98 = 11,901.45 : x
  2. Step 2: Convert to fraction form
    21,384.62/32,055.98 = 11,901.45/x
  3. Step 3: Cross multiply
    21,384.62x = 32,055.98 × 11,901.45
  4. Step 4: Simplify right side
    21,384.62x = 381,512,583.66
  5. Step 5: Solve for x
    x = 381,512,583.66/21,384.62
  6. Step 6: Final answer
    x = 17,840.52

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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.