Home / 14,613.42-21,895-11,513.28

Finding the Fourth Proportional to 14,613.42, 21,895 and 11,513.28

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Solution

The fourth proportional to 14,613.42, 21,895 and 11,513.28 is: 17,250.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,613.42 : 21,895 = 11,513.28 : x
  2. Step 2: Convert to fraction form
    14,613.42/21,895 = 11,513.28/x
  3. Step 3: Cross multiply
    14,613.42x = 21,895 × 11,513.28
  4. Step 4: Simplify right side
    14,613.42x = 252,083,265.60
  5. Step 5: Solve for x
    x = 252,083,265.60/14,613.42
  6. Step 6: Final answer
    x = 17,250.12

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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.