Home / 12,056.21-16,638.05-6,750.98

Finding the Fourth Proportional to 12,056.21, 16,638.05 and 6,750.98

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Solution

The fourth proportional to 12,056.21, 16,638.05 and 6,750.98 is: 9,316.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,056.21 : 16,638.05 = 6,750.98 : x
  2. Step 2: Convert to fraction form
    12,056.21/16,638.05 = 6,750.98/x
  3. Step 3: Cross multiply
    12,056.21x = 16,638.05 × 6,750.98
  4. Step 4: Simplify right side
    12,056.21x = 112,323,109.03
  5. Step 5: Solve for x
    x = 112,323,109.03/12,056.21
  6. Step 6: Final answer
    x = 9,316.62

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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.