Home / 21,783.05-32,661.39-9,773.00

Finding the Fourth Proportional to 21,783.05, 32,661.39 and 9,773.00

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Solution

The fourth proportional to 21,783.05, 32,661.39 and 9,773.00 is: 14,653.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,783.05 : 32,661.39 = 9,773.00 : x
  2. Step 2: Convert to fraction form
    21,783.05/32,661.39 = 9,773.00/x
  3. Step 3: Cross multiply
    21,783.05x = 32,661.39 × 9,773.00
  4. Step 4: Simplify right side
    21,783.05x = 319,199,841.95
  5. Step 5: Solve for x
    x = 319,199,841.95/21,783.05
  6. Step 6: Final answer
    x = 14,653.59

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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.