Home / 19,517.19-29,271.41-8,977.09

Finding the Fourth Proportional to 19,517.19, 29,271.41 and 8,977.09

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Solution

The fourth proportional to 19,517.19, 29,271.41 and 8,977.09 is: 13,463.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,517.19 : 29,271.41 = 8,977.09 : x
  2. Step 2: Convert to fraction form
    19,517.19/29,271.41 = 8,977.09/x
  3. Step 3: Cross multiply
    19,517.19x = 29,271.41 × 8,977.09
  4. Step 4: Simplify right side
    19,517.19x = 262,771,944.74
  5. Step 5: Solve for x
    x = 262,771,944.74/19,517.19
  6. Step 6: Final answer
    x = 13,463.62

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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.