Home / 12,349.21-17,040.32-7,043.71

Finding the Fourth Proportional to 12,349.21, 17,040.32 and 7,043.71

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Solution

The fourth proportional to 12,349.21, 17,040.32 and 7,043.71 is: 9,719.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,349.21 : 17,040.32 = 7,043.71 : x
  2. Step 2: Convert to fraction form
    12,349.21/17,040.32 = 7,043.71/x
  3. Step 3: Cross multiply
    12,349.21x = 17,040.32 × 7,043.71
  4. Step 4: Simplify right side
    12,349.21x = 120,027,020.98
  5. Step 5: Solve for x
    x = 120,027,020.98/12,349.21
  6. Step 6: Final answer
    x = 9,719.41

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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.