Home / 11,783.19-16,260.01-6,477.75

Finding the Fourth Proportional to 11,783.19, 16,260.01 and 6,477.75

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Solution

The fourth proportional to 11,783.19, 16,260.01 and 6,477.75 is: 8,938.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,783.19 : 16,260.01 = 6,477.75 : x
  2. Step 2: Convert to fraction form
    11,783.19/16,260.01 = 6,477.75/x
  3. Step 3: Cross multiply
    11,783.19x = 16,260.01 × 6,477.75
  4. Step 4: Simplify right side
    11,783.19x = 105,328,279.78
  5. Step 5: Solve for x
    x = 105,328,279.78/11,783.19
  6. Step 6: Final answer
    x = 8,938.86

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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.