Home / 12,157.93-16,778.51-6,852.97

Finding the Fourth Proportional to 12,157.93, 16,778.51 and 6,852.97

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Solution

The fourth proportional to 12,157.93, 16,778.51 and 6,852.97 is: 9,457.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,157.93 : 16,778.51 = 6,852.97 : x
  2. Step 2: Convert to fraction form
    12,157.93/16,778.51 = 6,852.97/x
  3. Step 3: Cross multiply
    12,157.93x = 16,778.51 × 6,852.97
  4. Step 4: Simplify right side
    12,157.93x = 114,982,625.67
  5. Step 5: Solve for x
    x = 114,982,625.67/12,157.93
  6. Step 6: Final answer
    x = 9,457.42

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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.