Home / 12,306.17-16,980.67-6,927.83

Finding the Fourth Proportional to 12,306.17, 16,980.67 and 6,927.83

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Solution

The fourth proportional to 12,306.17, 16,980.67 and 6,927.83 is: 9,559.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,306.17 : 16,980.67 = 6,927.83 : x
  2. Step 2: Convert to fraction form
    12,306.17/16,980.67 = 6,927.83/x
  3. Step 3: Cross multiply
    12,306.17x = 16,980.67 × 6,927.83
  4. Step 4: Simplify right side
    12,306.17x = 117,639,195.05
  5. Step 5: Solve for x
    x = 117,639,195.05/12,306.17
  6. Step 6: Final answer
    x = 9,559.37

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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.