Home / 9,090.90-13,636.71-8,962.02

Finding the Fourth Proportional to 9,090.90, 13,636.71 and 8,962.02

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Solution

The fourth proportional to 9,090.90, 13,636.71 and 8,962.02 is: 13,443.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,090.90 : 13,636.71 = 8,962.02 : x
  2. Step 2: Convert to fraction form
    9,090.90/13,636.71 = 8,962.02/x
  3. Step 3: Cross multiply
    9,090.90x = 13,636.71 × 8,962.02
  4. Step 4: Simplify right side
    9,090.90x = 122,212,467.75
  5. Step 5: Solve for x
    x = 122,212,467.75/9,090.90
  6. Step 6: Final answer
    x = 13,443.38

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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.