Home / 13,110.33-19,671.84-6,537.45

Finding the Fourth Proportional to 13,110.33, 19,671.84 and 6,537.45

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Solution

The fourth proportional to 13,110.33, 19,671.84 and 6,537.45 is: 9,809.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,110.33 : 19,671.84 = 6,537.45 : x
  2. Step 2: Convert to fraction form
    13,110.33/19,671.84 = 6,537.45/x
  3. Step 3: Cross multiply
    13,110.33x = 19,671.84 × 6,537.45
  4. Step 4: Simplify right side
    13,110.33x = 128,603,670.41
  5. Step 5: Solve for x
    x = 128,603,670.41/13,110.33
  6. Step 6: Final answer
    x = 9,809.34

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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.