Home / 19,768.80-29,653.23-4,977.72

Finding the Fourth Proportional to 19,768.80, 29,653.23 and 4,977.72

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Solution

The fourth proportional to 19,768.80, 29,653.23 and 4,977.72 is: 7,466.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,768.80 : 29,653.23 = 4,977.72 : x
  2. Step 2: Convert to fraction form
    19,768.80/29,653.23 = 4,977.72/x
  3. Step 3: Cross multiply
    19,768.80x = 29,653.23 × 4,977.72
  4. Step 4: Simplify right side
    19,768.80x = 147,605,476.04
  5. Step 5: Solve for x
    x = 147,605,476.04/19,768.80
  6. Step 6: Final answer
    x = 7,466.59

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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.