Home / 9,830.64-14,736.36-5,438.90

Finding the Fourth Proportional to 9,830.64, 14,736.36 and 5,438.90

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Solution

The fourth proportional to 9,830.64, 14,736.36 and 5,438.90 is: 8,153.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,830.64 : 14,736.36 = 5,438.90 : x
  2. Step 2: Convert to fraction form
    9,830.64/14,736.36 = 5,438.90/x
  3. Step 3: Cross multiply
    9,830.64x = 14,736.36 × 5,438.90
  4. Step 4: Simplify right side
    9,830.64x = 80,149,588.40
  5. Step 5: Solve for x
    x = 80,149,588.40/9,830.64
  6. Step 6: Final answer
    x = 8,153.04

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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.