Home / 13,913.30-19,197.51-8,245.55

Finding the Fourth Proportional to 13,913.30, 19,197.51 and 8,245.55

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Solution

The fourth proportional to 13,913.30, 19,197.51 and 8,245.55 is: 11,377.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,913.30 : 19,197.51 = 8,245.55 : x
  2. Step 2: Convert to fraction form
    13,913.30/19,197.51 = 8,245.55/x
  3. Step 3: Cross multiply
    13,913.30x = 19,197.51 × 8,245.55
  4. Step 4: Simplify right side
    13,913.30x = 158,293,932.59
  5. Step 5: Solve for x
    x = 158,293,932.59/13,913.30
  6. Step 6: Final answer
    x = 11,377.17

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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.