Home / 19,844.07-29,766.77-9,977.95

Finding the Fourth Proportional to 19,844.07, 29,766.77 and 9,977.95

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Solution

The fourth proportional to 19,844.07, 29,766.77 and 9,977.95 is: 14,967.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,844.07 : 29,766.77 = 9,977.95 : x
  2. Step 2: Convert to fraction form
    19,844.07/29,766.77 = 9,977.95/x
  3. Step 3: Cross multiply
    19,844.07x = 29,766.77 × 9,977.95
  4. Step 4: Simplify right side
    19,844.07x = 297,011,342.72
  5. Step 5: Solve for x
    x = 297,011,342.72/19,844.07
  6. Step 6: Final answer
    x = 14,967.26

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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.