Home / 19,245.72-26,551.72-11,689.36

Finding the Fourth Proportional to 19,245.72, 26,551.72 and 11,689.36

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Solution

The fourth proportional to 19,245.72, 26,551.72 and 11,689.36 is: 16,126.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,245.72 : 26,551.72 = 11,689.36 : x
  2. Step 2: Convert to fraction form
    19,245.72/26,551.72 = 11,689.36/x
  3. Step 3: Cross multiply
    19,245.72x = 26,551.72 × 11,689.36
  4. Step 4: Simplify right side
    19,245.72x = 310,372,613.70
  5. Step 5: Solve for x
    x = 310,372,613.70/19,245.72
  6. Step 6: Final answer
    x = 16,126.84

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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.