Home / 9,954.18-13,729.74-8,625.54

Finding the Fourth Proportional to 9,954.18, 13,729.74 and 8,625.54

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Solution

The fourth proportional to 9,954.18, 13,729.74 and 8,625.54 is: 11,897.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,954.18 : 13,729.74 = 8,625.54 : x
  2. Step 2: Convert to fraction form
    9,954.18/13,729.74 = 8,625.54/x
  3. Step 3: Cross multiply
    9,954.18x = 13,729.74 × 8,625.54
  4. Step 4: Simplify right side
    9,954.18x = 118,426,421.56
  5. Step 5: Solve for x
    x = 118,426,421.56/9,954.18
  6. Step 6: Final answer
    x = 11,897.15

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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.