Home / 13,118.84-19,664.34-8,948.50

Finding the Fourth Proportional to 13,118.84, 19,664.34 and 8,948.50

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Solution

The fourth proportional to 13,118.84, 19,664.34 and 8,948.50 is: 13,413.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,118.84 : 19,664.34 = 8,948.50 : x
  2. Step 2: Convert to fraction form
    13,118.84/19,664.34 = 8,948.50/x
  3. Step 3: Cross multiply
    13,118.84x = 19,664.34 × 8,948.50
  4. Step 4: Simplify right side
    13,118.84x = 175,966,346.49
  5. Step 5: Solve for x
    x = 175,966,346.49/13,118.84
  6. Step 6: Final answer
    x = 13,413.26

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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.