Home / 11,212.96-16,805.02-4,643.68

Finding the Fourth Proportional to 11,212.96, 16,805.02 and 4,643.68

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Solution

The fourth proportional to 11,212.96, 16,805.02 and 4,643.68 is: 6,959.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,212.96 : 16,805.02 = 4,643.68 : x
  2. Step 2: Convert to fraction form
    11,212.96/16,805.02 = 4,643.68/x
  3. Step 3: Cross multiply
    11,212.96x = 16,805.02 × 4,643.68
  4. Step 4: Simplify right side
    11,212.96x = 78,037,135.27
  5. Step 5: Solve for x
    x = 78,037,135.27/11,212.96
  6. Step 6: Final answer
    x = 6,959.55

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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.