Home / 11,617.80-16,027.40-6,899.34

Finding the Fourth Proportional to 11,617.80, 16,027.40 and 6,899.34

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Solution

The fourth proportional to 11,617.80, 16,027.40 and 6,899.34 is: 9,518.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,617.80 : 16,027.40 = 6,899.34 : x
  2. Step 2: Convert to fraction form
    11,617.80/16,027.40 = 6,899.34/x
  3. Step 3: Cross multiply
    11,617.80x = 16,027.40 × 6,899.34
  4. Step 4: Simplify right side
    11,617.80x = 110,578,559.27
  5. Step 5: Solve for x
    x = 110,578,559.27/11,617.80
  6. Step 6: Final answer
    x = 9,518.03

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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.