Home / 11,923.40-17,888.10-6,997.36

Finding the Fourth Proportional to 11,923.40, 17,888.10 and 6,997.36

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Solution

The fourth proportional to 11,923.40, 17,888.10 and 6,997.36 is: 10,497.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,923.40 : 17,888.10 = 6,997.36 : x
  2. Step 2: Convert to fraction form
    11,923.40/17,888.10 = 6,997.36/x
  3. Step 3: Cross multiply
    11,923.40x = 17,888.10 × 6,997.36
  4. Step 4: Simplify right side
    11,923.40x = 125,169,475.42
  5. Step 5: Solve for x
    x = 125,169,475.42/11,923.40
  6. Step 6: Final answer
    x = 10,497.80

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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.