Home / 12,277.10-16,942.35-6,971.66

Finding the Fourth Proportional to 12,277.10, 16,942.35 and 6,971.66

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Solution

The fourth proportional to 12,277.10, 16,942.35 and 6,971.66 is: 9,620.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,277.10 : 16,942.35 = 6,971.66 : x
  2. Step 2: Convert to fraction form
    12,277.10/16,942.35 = 6,971.66/x
  3. Step 3: Cross multiply
    12,277.10x = 16,942.35 × 6,971.66
  4. Step 4: Simplify right side
    12,277.10x = 118,116,303.80
  5. Step 5: Solve for x
    x = 118,116,303.80/12,277.10
  6. Step 6: Final answer
    x = 9,620.86

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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.