Home / 11,982.12-16,535.52-6,946.68

Finding the Fourth Proportional to 11,982.12, 16,535.52 and 6,946.68

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Solution

The fourth proportional to 11,982.12, 16,535.52 and 6,946.68 is: 9,586.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,982.12 : 16,535.52 = 6,946.68 : x
  2. Step 2: Convert to fraction form
    11,982.12/16,535.52 = 6,946.68/x
  3. Step 3: Cross multiply
    11,982.12x = 16,535.52 × 6,946.68
  4. Step 4: Simplify right side
    11,982.12x = 114,866,966.07
  5. Step 5: Solve for x
    x = 114,866,966.07/11,982.12
  6. Step 6: Final answer
    x = 9,586.53

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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.