Home / 11,874.10-16,386.12-6,568.68

Finding the Fourth Proportional to 11,874.10, 16,386.12 and 6,568.68

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Solution

The fourth proportional to 11,874.10, 16,386.12 and 6,568.68 is: 9,064.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,874.10 : 16,386.12 = 6,568.68 : x
  2. Step 2: Convert to fraction form
    11,874.10/16,386.12 = 6,568.68/x
  3. Step 3: Cross multiply
    11,874.10x = 16,386.12 × 6,568.68
  4. Step 4: Simplify right side
    11,874.10x = 107,635,178.72
  5. Step 5: Solve for x
    x = 107,635,178.72/11,874.10
  6. Step 6: Final answer
    x = 9,064.70

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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.