Home / 10,923.70-16,386.03-3,133.30

Finding the Fourth Proportional to 10,923.70, 16,386.03 and 3,133.30

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Solution

The fourth proportional to 10,923.70, 16,386.03 and 3,133.30 is: 4,700.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,923.70 : 16,386.03 = 3,133.30 : x
  2. Step 2: Convert to fraction form
    10,923.70/16,386.03 = 3,133.30/x
  3. Step 3: Cross multiply
    10,923.70x = 16,386.03 × 3,133.30
  4. Step 4: Simplify right side
    10,923.70x = 51,342,347.80
  5. Step 5: Solve for x
    x = 51,342,347.80/10,923.70
  6. Step 6: Final answer
    x = 4,700.09

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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.