Home / 11,946.36-16,485.96-6,641.18

Finding the Fourth Proportional to 11,946.36, 16,485.96 and 6,641.18

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Solution

The fourth proportional to 11,946.36, 16,485.96 and 6,641.18 is: 9,164.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,946.36 : 16,485.96 = 6,641.18 : x
  2. Step 2: Convert to fraction form
    11,946.36/16,485.96 = 6,641.18/x
  3. Step 3: Cross multiply
    11,946.36x = 16,485.96 × 6,641.18
  4. Step 4: Simplify right side
    11,946.36x = 109,486,227.83
  5. Step 5: Solve for x
    x = 109,486,227.83/11,946.36
  6. Step 6: Final answer
    x = 9,164.82

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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.