Home / 11,701.58-16,147.08-6,667.02

Finding the Fourth Proportional to 11,701.58, 16,147.08 and 6,667.02

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Solution

The fourth proportional to 11,701.58, 16,147.08 and 6,667.02 is: 9,199.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,701.58 : 16,147.08 = 6,667.02 : x
  2. Step 2: Convert to fraction form
    11,701.58/16,147.08 = 6,667.02/x
  3. Step 3: Cross multiply
    11,701.58x = 16,147.08 × 6,667.02
  4. Step 4: Simplify right side
    11,701.58x = 107,652,905.30
  5. Step 5: Solve for x
    x = 107,652,905.30/11,701.58
  6. Step 6: Final answer
    x = 9,199.86

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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.