Home / 12,770.58-19,123.74-8,076.36

Finding the Fourth Proportional to 12,770.58, 19,123.74 and 8,076.36

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Solution

The fourth proportional to 12,770.58, 19,123.74 and 8,076.36 is: 12,094.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,770.58 : 19,123.74 = 8,076.36 : x
  2. Step 2: Convert to fraction form
    12,770.58/19,123.74 = 8,076.36/x
  3. Step 3: Cross multiply
    12,770.58x = 19,123.74 × 8,076.36
  4. Step 4: Simplify right side
    12,770.58x = 154,450,208.79
  5. Step 5: Solve for x
    x = 154,450,208.79/12,770.58
  6. Step 6: Final answer
    x = 12,094.22

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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.