Home / 13,196.10-19,784.91-6,617.79

Finding the Fourth Proportional to 13,196.10, 19,784.91 and 6,617.79

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Solution

The fourth proportional to 13,196.10, 19,784.91 and 6,617.79 is: 9,922.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,196.10 : 19,784.91 = 6,617.79 : x
  2. Step 2: Convert to fraction form
    13,196.10/19,784.91 = 6,617.79/x
  3. Step 3: Cross multiply
    13,196.10x = 19,784.91 × 6,617.79
  4. Step 4: Simplify right side
    13,196.10x = 130,932,379.55
  5. Step 5: Solve for x
    x = 130,932,379.55/13,196.10
  6. Step 6: Final answer
    x = 9,922.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.