Home / 9,447.09-14,168.74-8,978.73

Finding the Fourth Proportional to 9,447.09, 14,168.74 and 8,978.73

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Solution

The fourth proportional to 9,447.09, 14,168.74 and 8,978.73 is: 13,466.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,447.09 : 14,168.74 = 8,978.73 : x
  2. Step 2: Convert to fraction form
    9,447.09/14,168.74 = 8,978.73/x
  3. Step 3: Cross multiply
    9,447.09x = 14,168.74 × 8,978.73
  4. Step 4: Simplify right side
    9,447.09x = 127,217,290.90
  5. Step 5: Solve for x
    x = 127,217,290.90/9,447.09
  6. Step 6: Final answer
    x = 13,466.29

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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.