Home / 12,318.03-16,996.37-7,011.45

Finding the Fourth Proportional to 12,318.03, 16,996.37 and 7,011.45

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Solution

The fourth proportional to 12,318.03, 16,996.37 and 7,011.45 is: 9,674.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,318.03 : 16,996.37 = 7,011.45 : x
  2. Step 2: Convert to fraction form
    12,318.03/16,996.37 = 7,011.45/x
  3. Step 3: Cross multiply
    12,318.03x = 16,996.37 × 7,011.45
  4. Step 4: Simplify right side
    12,318.03x = 119,169,163.38
  5. Step 5: Solve for x
    x = 119,169,163.38/12,318.03
  6. Step 6: Final answer
    x = 9,674.37

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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.