Home / 9,181.90-12,671.53-5,204.29

Finding the Fourth Proportional to 9,181.90, 12,671.53 and 5,204.29

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Solution

The fourth proportional to 9,181.90, 12,671.53 and 5,204.29 is: 7,182.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,181.90 : 12,671.53 = 5,204.29 : x
  2. Step 2: Convert to fraction form
    9,181.90/12,671.53 = 5,204.29/x
  3. Step 3: Cross multiply
    9,181.90x = 12,671.53 × 5,204.29
  4. Step 4: Simplify right side
    9,181.90x = 65,946,316.86
  5. Step 5: Solve for x
    x = 65,946,316.86/9,181.90
  6. Step 6: Final answer
    x = 7,182.21

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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.