Home / 13,137.40-19,706.10-4,817.98

Finding the Fourth Proportional to 13,137.40, 19,706.10 and 4,817.98

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Solution

The fourth proportional to 13,137.40, 19,706.10 and 4,817.98 is: 7,226.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,137.40 : 19,706.10 = 4,817.98 : x
  2. Step 2: Convert to fraction form
    13,137.40/19,706.10 = 4,817.98/x
  3. Step 3: Cross multiply
    13,137.40x = 19,706.10 × 4,817.98
  4. Step 4: Simplify right side
    13,137.40x = 94,943,595.68
  5. Step 5: Solve for x
    x = 94,943,595.68/13,137.40
  6. Step 6: Final answer
    x = 7,226.97

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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.