Home / 9,235.21-13,915.15-7,627.77

Finding the Fourth Proportional to 9,235.21, 13,915.15 and 7,627.77

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Solution

The fourth proportional to 9,235.21, 13,915.15 and 7,627.77 is: 11,493.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,235.21 : 13,915.15 = 7,627.77 : x
  2. Step 2: Convert to fraction form
    9,235.21/13,915.15 = 7,627.77/x
  3. Step 3: Cross multiply
    9,235.21x = 13,915.15 × 7,627.77
  4. Step 4: Simplify right side
    9,235.21x = 106,141,563.72
  5. Step 5: Solve for x
    x = 106,141,563.72/9,235.21
  6. Step 6: Final answer
    x = 11,493.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.