Home / 11,868.81-17,816.96-6,941.98

Finding the Fourth Proportional to 11,868.81, 17,816.96 and 6,941.98

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Solution

The fourth proportional to 11,868.81, 17,816.96 and 6,941.98 is: 10,421.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,868.81 : 17,816.96 = 6,941.98 : x
  2. Step 2: Convert to fraction form
    11,868.81/17,816.96 = 6,941.98/x
  3. Step 3: Cross multiply
    11,868.81x = 17,816.96 × 6,941.98
  4. Step 4: Simplify right side
    11,868.81x = 123,684,979.98
  5. Step 5: Solve for x
    x = 123,684,979.98/11,868.81
  6. Step 6: Final answer
    x = 10,421.01

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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.