Home / 12,106.70-16,707.84-6,803.18

Finding the Fourth Proportional to 12,106.70, 16,707.84 and 6,803.18

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Solution

The fourth proportional to 12,106.70, 16,707.84 and 6,803.18 is: 9,388.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,106.70 : 16,707.84 = 6,803.18 : x
  2. Step 2: Convert to fraction form
    12,106.70/16,707.84 = 6,803.18/x
  3. Step 3: Cross multiply
    12,106.70x = 16,707.84 × 6,803.18
  4. Step 4: Simplify right side
    12,106.70x = 113,666,442.93
  5. Step 5: Solve for x
    x = 113,666,442.93/12,106.70
  6. Step 6: Final answer
    x = 9,388.72

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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.