Home / 9,108.90-13,671.45-6,189.26

Finding the Fourth Proportional to 9,108.90, 13,671.45 and 6,189.26

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Solution

The fourth proportional to 9,108.90, 13,671.45 and 6,189.26 is: 9,289.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,108.90 : 13,671.45 = 6,189.26 : x
  2. Step 2: Convert to fraction form
    9,108.90/13,671.45 = 6,189.26/x
  3. Step 3: Cross multiply
    9,108.90x = 13,671.45 × 6,189.26
  4. Step 4: Simplify right side
    9,108.90x = 84,616,090.27
  5. Step 5: Solve for x
    x = 84,616,090.27/9,108.90
  6. Step 6: Final answer
    x = 9,289.39

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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.