Home / 17,317.28-23,899.92-9,863.84

Finding the Fourth Proportional to 17,317.28, 23,899.92 and 9,863.84

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Solution

The fourth proportional to 17,317.28, 23,899.92 and 9,863.84 is: 13,613.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,317.28 : 23,899.92 = 9,863.84 : x
  2. Step 2: Convert to fraction form
    17,317.28/23,899.92 = 9,863.84/x
  3. Step 3: Cross multiply
    17,317.28x = 23,899.92 × 9,863.84
  4. Step 4: Simplify right side
    17,317.28x = 235,744,986.89
  5. Step 5: Solve for x
    x = 235,744,986.89/17,317.28
  6. Step 6: Final answer
    x = 13,613.28

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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.