Home / 11,783.08-16,260.58-6,678.57

Finding the Fourth Proportional to 11,783.08, 16,260.58 and 6,678.57

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Solution

The fourth proportional to 11,783.08, 16,260.58 and 6,678.57 is: 9,216.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,783.08 : 16,260.58 = 6,678.57 : x
  2. Step 2: Convert to fraction form
    11,783.08/16,260.58 = 6,678.57/x
  3. Step 3: Cross multiply
    11,783.08x = 16,260.58 × 6,678.57
  4. Step 4: Simplify right side
    11,783.08x = 108,597,463.71
  5. Step 5: Solve for x
    x = 108,597,463.71/11,783.08
  6. Step 6: Final answer
    x = 9,216.39

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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.