Home / 12,180.22-16,808.70-6,875.02

Finding the Fourth Proportional to 12,180.22, 16,808.70 and 6,875.02

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Solution

The fourth proportional to 12,180.22, 16,808.70 and 6,875.02 is: 9,487.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,180.22 : 16,808.70 = 6,875.02 : x
  2. Step 2: Convert to fraction form
    12,180.22/16,808.70 = 6,875.02/x
  3. Step 3: Cross multiply
    12,180.22x = 16,808.70 × 6,875.02
  4. Step 4: Simplify right side
    12,180.22x = 115,560,148.67
  5. Step 5: Solve for x
    x = 115,560,148.67/12,180.22
  6. Step 6: Final answer
    x = 9,487.53

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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.