Home / 9,367.40-14,038.80-6,890.60

Finding the Fourth Proportional to 9,367.40, 14,038.80 and 6,890.60

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Solution

The fourth proportional to 9,367.40, 14,038.80 and 6,890.60 is: 10,326.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,367.40 : 14,038.80 = 6,890.60 : x
  2. Step 2: Convert to fraction form
    9,367.40/14,038.80 = 6,890.60/x
  3. Step 3: Cross multiply
    9,367.40x = 14,038.80 × 6,890.60
  4. Step 4: Simplify right side
    9,367.40x = 96,735,755.28
  5. Step 5: Solve for x
    x = 96,735,755.28/9,367.40
  6. Step 6: Final answer
    x = 10,326.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.