Home / 12,308.98-16,975.02-10,887.44

Finding the Fourth Proportional to 12,308.98, 16,975.02 and 10,887.44

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Solution

The fourth proportional to 12,308.98, 16,975.02 and 10,887.44 is: 15,014.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,308.98 : 16,975.02 = 10,887.44 : x
  2. Step 2: Convert to fraction form
    12,308.98/16,975.02 = 10,887.44/x
  3. Step 3: Cross multiply
    12,308.98x = 16,975.02 × 10,887.44
  4. Step 4: Simplify right side
    12,308.98x = 184,814,511.75
  5. Step 5: Solve for x
    x = 184,814,511.75/12,308.98
  6. Step 6: Final answer
    x = 15,014.61

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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.