Home / 13,299.98-18,361.49-8,829.84

Finding the Fourth Proportional to 13,299.98, 18,361.49 and 8,829.84

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Solution

The fourth proportional to 13,299.98, 18,361.49 and 8,829.84 is: 12,190.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,299.98 : 18,361.49 = 8,829.84 : x
  2. Step 2: Convert to fraction form
    13,299.98/18,361.49 = 8,829.84/x
  3. Step 3: Cross multiply
    13,299.98x = 18,361.49 × 8,829.84
  4. Step 4: Simplify right side
    13,299.98x = 162,128,974.71
  5. Step 5: Solve for x
    x = 162,128,974.71/13,299.98
  6. Step 6: Final answer
    x = 12,190.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.