Home / 14,197.14-19,559.40-11,211.90

Finding the Fourth Proportional to 14,197.14, 19,559.40 and 11,211.90

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Solution

The fourth proportional to 14,197.14, 19,559.40 and 11,211.90 is: 15,446.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,197.14 : 19,559.40 = 11,211.90 : x
  2. Step 2: Convert to fraction form
    14,197.14/19,559.40 = 11,211.90/x
  3. Step 3: Cross multiply
    14,197.14x = 19,559.40 × 11,211.90
  4. Step 4: Simplify right side
    14,197.14x = 219,298,036.86
  5. Step 5: Solve for x
    x = 219,298,036.86/14,197.14
  6. Step 6: Final answer
    x = 15,446.63

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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.