Home / 12,119.29-16,724.50-6,741.70

Finding the Fourth Proportional to 12,119.29, 16,724.50 and 6,741.70

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Solution

The fourth proportional to 12,119.29, 16,724.50 and 6,741.70 is: 9,303.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,119.29 : 16,724.50 = 6,741.70 : x
  2. Step 2: Convert to fraction form
    12,119.29/16,724.50 = 6,741.70/x
  3. Step 3: Cross multiply
    12,119.29x = 16,724.50 × 6,741.70
  4. Step 4: Simplify right side
    12,119.29x = 112,751,502.98
  5. Step 5: Solve for x
    x = 112,751,502.98/12,119.29
  6. Step 6: Final answer
    x = 9,303.48

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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.