Home / 20,265.00-27,968.51-11,313.08

Finding the Fourth Proportional to 20,265.00, 27,968.51 and 11,313.08

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Solution

The fourth proportional to 20,265.00, 27,968.51 and 11,313.08 is: 15,613.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,265.00 : 27,968.51 = 11,313.08 : x
  2. Step 2: Convert to fraction form
    20,265.00/27,968.51 = 11,313.08/x
  3. Step 3: Cross multiply
    20,265.00x = 27,968.51 × 11,313.08
  4. Step 4: Simplify right side
    20,265.00x = 316,409,934.55
  5. Step 5: Solve for x
    x = 316,409,934.55/20,265.00
  6. Step 6: Final answer
    x = 15,613.62

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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.