Home / 12,320.75-16,982.67-9,627.26

Finding the Fourth Proportional to 12,320.75, 16,982.67 and 9,627.26

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Solution

The fourth proportional to 12,320.75, 16,982.67 and 9,627.26 is: 13,270.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,320.75 : 16,982.67 = 9,627.26 : x
  2. Step 2: Convert to fraction form
    12,320.75/16,982.67 = 9,627.26/x
  3. Step 3: Cross multiply
    12,320.75x = 16,982.67 × 9,627.26
  4. Step 4: Simplify right side
    12,320.75x = 163,496,579.58
  5. Step 5: Solve for x
    x = 163,496,579.58/12,320.75
  6. Step 6: Final answer
    x = 13,270.02

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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.