Home / 14,551.47-20,090.43-9,181.44

Finding the Fourth Proportional to 14,551.47, 20,090.43 and 9,181.44

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Solution

The fourth proportional to 14,551.47, 20,090.43 and 9,181.44 is: 12,676.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,551.47 : 20,090.43 = 9,181.44 : x
  2. Step 2: Convert to fraction form
    14,551.47/20,090.43 = 9,181.44/x
  3. Step 3: Cross multiply
    14,551.47x = 20,090.43 × 9,181.44
  4. Step 4: Simplify right side
    14,551.47x = 184,459,077.62
  5. Step 5: Solve for x
    x = 184,459,077.62/14,551.47
  6. Step 6: Final answer
    x = 12,676.32

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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.