Home / 11,783.16-16,260.59-6,477.86

Finding the Fourth Proportional to 11,783.16, 16,260.59 and 6,477.86

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Solution

The fourth proportional to 11,783.16, 16,260.59 and 6,477.86 is: 8,939.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,783.16 : 16,260.59 = 6,477.86 : x
  2. Step 2: Convert to fraction form
    11,783.16/16,260.59 = 6,477.86/x
  3. Step 3: Cross multiply
    11,783.16x = 16,260.59 × 6,477.86
  4. Step 4: Simplify right side
    11,783.16x = 105,333,711.85
  5. Step 5: Solve for x
    x = 105,333,711.85/11,783.16
  6. Step 6: Final answer
    x = 8,939.34

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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.