Home / 12,313.67-16,993.28-7,008.37

Finding the Fourth Proportional to 12,313.67, 16,993.28 and 7,008.37

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Solution

The fourth proportional to 12,313.67, 16,993.28 and 7,008.37 is: 9,671.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,313.67 : 16,993.28 = 7,008.37 : x
  2. Step 2: Convert to fraction form
    12,313.67/16,993.28 = 7,008.37/x
  3. Step 3: Cross multiply
    12,313.67x = 16,993.28 × 7,008.37
  4. Step 4: Simplify right side
    12,313.67x = 119,095,168.79
  5. Step 5: Solve for x
    x = 119,095,168.79/12,313.67
  6. Step 6: Final answer
    x = 9,671.79

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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.