Home / 11,885.02-17,830.13-4,489.52

Finding the Fourth Proportional to 11,885.02, 17,830.13 and 4,489.52

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Solution

The fourth proportional to 11,885.02, 17,830.13 and 4,489.52 is: 6,735.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,885.02 : 17,830.13 = 4,489.52 : x
  2. Step 2: Convert to fraction form
    11,885.02/17,830.13 = 4,489.52/x
  3. Step 3: Cross multiply
    11,885.02x = 17,830.13 × 4,489.52
  4. Step 4: Simplify right side
    11,885.02x = 80,048,613.64
  5. Step 5: Solve for x
    x = 80,048,613.64/11,885.02
  6. Step 6: Final answer
    x = 6,735.25

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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.