Home / 11,823.76-16,315.96-6,650.40

Finding the Fourth Proportional to 11,823.76, 16,315.96 and 6,650.40

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Solution

The fourth proportional to 11,823.76, 16,315.96 and 6,650.40 is: 9,177.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,823.76 : 16,315.96 = 6,650.40 : x
  2. Step 2: Convert to fraction form
    11,823.76/16,315.96 = 6,650.40/x
  3. Step 3: Cross multiply
    11,823.76x = 16,315.96 × 6,650.40
  4. Step 4: Simplify right side
    11,823.76x = 108,507,717.41
  5. Step 5: Solve for x
    x = 108,507,717.41/11,823.76
  6. Step 6: Final answer
    x = 9,177.09

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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.