Home / 11,772.79-16,246.75-6,467.74

Finding the Fourth Proportional to 11,772.79, 16,246.75 and 6,467.74

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Solution

The fourth proportional to 11,772.79, 16,246.75 and 6,467.74 is: 8,925.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,772.79 : 16,246.75 = 6,467.74 : x
  2. Step 2: Convert to fraction form
    11,772.79/16,246.75 = 6,467.74/x
  3. Step 3: Cross multiply
    11,772.79x = 16,246.75 × 6,467.74
  4. Step 4: Simplify right side
    11,772.79x = 105,079,698.06
  5. Step 5: Solve for x
    x = 105,079,698.06/11,772.79
  6. Step 6: Final answer
    x = 8,925.64

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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.