Home / 10,684.31-14,745.15-6,148.38

Finding the Fourth Proportional to 10,684.31, 14,745.15 and 6,148.38

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Solution

The fourth proportional to 10,684.31, 14,745.15 and 6,148.38 is: 8,485.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,684.31 : 14,745.15 = 6,148.38 : x
  2. Step 2: Convert to fraction form
    10,684.31/14,745.15 = 6,148.38/x
  3. Step 3: Cross multiply
    10,684.31x = 14,745.15 × 6,148.38
  4. Step 4: Simplify right side
    10,684.31x = 90,658,785.36
  5. Step 5: Solve for x
    x = 90,658,785.36/10,684.31
  6. Step 6: Final answer
    x = 8,485.23

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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.