Home / 11,783.81-16,261.63-7,006.12

Finding the Fourth Proportional to 11,783.81, 16,261.63 and 7,006.12

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Solution

The fourth proportional to 11,783.81, 16,261.63 and 7,006.12 is: 9,668.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,783.81 : 16,261.63 = 7,006.12 : x
  2. Step 2: Convert to fraction form
    11,783.81/16,261.63 = 7,006.12/x
  3. Step 3: Cross multiply
    11,783.81x = 16,261.63 × 7,006.12
  4. Step 4: Simplify right side
    11,783.81x = 113,930,873.01
  5. Step 5: Solve for x
    x = 113,930,873.01/11,783.81
  6. Step 6: Final answer
    x = 9,668.42

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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.