Home / 12,786.07-19,166.70-6,549.02

Finding the Fourth Proportional to 12,786.07, 19,166.70 and 6,549.02

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Solution

The fourth proportional to 12,786.07, 19,166.70 and 6,549.02 is: 9,817.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,786.07 : 19,166.70 = 6,549.02 : x
  2. Step 2: Convert to fraction form
    12,786.07/19,166.70 = 6,549.02/x
  3. Step 3: Cross multiply
    12,786.07x = 19,166.70 × 6,549.02
  4. Step 4: Simplify right side
    12,786.07x = 125,523,101.63
  5. Step 5: Solve for x
    x = 125,523,101.63/12,786.07
  6. Step 6: Final answer
    x = 9,817.18

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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.