Home / 12,348.37-17,039.67-7,311.68

Finding the Fourth Proportional to 12,348.37, 17,039.67 and 7,311.68

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Solution

The fourth proportional to 12,348.37, 17,039.67 and 7,311.68 is: 10,089.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,348.37 : 17,039.67 = 7,311.68 : x
  2. Step 2: Convert to fraction form
    12,348.37/17,039.67 = 7,311.68/x
  3. Step 3: Cross multiply
    12,348.37x = 17,039.67 × 7,311.68
  4. Step 4: Simplify right side
    12,348.37x = 124,588,661.48
  5. Step 5: Solve for x
    x = 124,588,661.48/12,348.37
  6. Step 6: Final answer
    x = 10,089.49

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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.