Home / 12,058.39-16,639.30-6,680.67

Finding the Fourth Proportional to 12,058.39, 16,639.30 and 6,680.67

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Solution

The fourth proportional to 12,058.39, 16,639.30 and 6,680.67 is: 9,218.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,058.39 : 16,639.30 = 6,680.67 : x
  2. Step 2: Convert to fraction form
    12,058.39/16,639.30 = 6,680.67/x
  3. Step 3: Cross multiply
    12,058.39x = 16,639.30 × 6,680.67
  4. Step 4: Simplify right side
    12,058.39x = 111,161,713.93
  5. Step 5: Solve for x
    x = 111,161,713.93/12,058.39
  6. Step 6: Final answer
    x = 9,218.62

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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.