Home / 13,185.84-19,765.08-8,244.13

Finding the Fourth Proportional to 13,185.84, 19,765.08 and 8,244.13

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Solution

The fourth proportional to 13,185.84, 19,765.08 and 8,244.13 is: 12,357.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,185.84 : 19,765.08 = 8,244.13 : x
  2. Step 2: Convert to fraction form
    13,185.84/19,765.08 = 8,244.13/x
  3. Step 3: Cross multiply
    13,185.84x = 19,765.08 × 8,244.13
  4. Step 4: Simplify right side
    13,185.84x = 162,945,860.18
  5. Step 5: Solve for x
    x = 162,945,860.18/13,185.84
  6. Step 6: Final answer
    x = 12,357.64

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1.5x scale

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.