Home / 14,431.90-19,915.83-8,058.60

Finding the Fourth Proportional to 14,431.90, 19,915.83 and 8,058.60

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Solution

The fourth proportional to 14,431.90, 19,915.83 and 8,058.60 is: 11,120.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,431.90 : 19,915.83 = 8,058.60 : x
  2. Step 2: Convert to fraction form
    14,431.90/19,915.83 = 8,058.60/x
  3. Step 3: Cross multiply
    14,431.90x = 19,915.83 × 8,058.60
  4. Step 4: Simplify right side
    14,431.90x = 160,493,567.77
  5. Step 5: Solve for x
    x = 160,493,567.77/14,431.90
  6. Step 6: Final answer
    x = 11,120.75

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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.