Home / 13,137.14-19,698.48-8,981.84

Finding the Fourth Proportional to 13,137.14, 19,698.48 and 8,981.84

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Solution

The fourth proportional to 13,137.14, 19,698.48 and 8,981.84 is: 13,467.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,137.14 : 19,698.48 = 8,981.84 : x
  2. Step 2: Convert to fraction form
    13,137.14/19,698.48 = 8,981.84/x
  3. Step 3: Cross multiply
    13,137.14x = 19,698.48 × 8,981.84
  4. Step 4: Simplify right side
    13,137.14x = 176,928,595.60
  5. Step 5: Solve for x
    x = 176,928,595.60/13,137.14
  6. Step 6: Final answer
    x = 13,467.82

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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.