Home / 12,588.44-18,877.20-6,344.60

Finding the Fourth Proportional to 12,588.44, 18,877.20 and 6,344.60

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Solution

The fourth proportional to 12,588.44, 18,877.20 and 6,344.60 is: 9,514.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,588.44 : 18,877.20 = 6,344.60 : x
  2. Step 2: Convert to fraction form
    12,588.44/18,877.20 = 6,344.60/x
  3. Step 3: Cross multiply
    12,588.44x = 18,877.20 × 6,344.60
  4. Step 4: Simplify right side
    12,588.44x = 119,768,283.12
  5. Step 5: Solve for x
    x = 119,768,283.12/12,588.44
  6. Step 6: Final answer
    x = 9,514.15

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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.