Home / 13,938.24-21,003.27-11,527.29

Finding the Fourth Proportional to 13,938.24, 21,003.27 and 11,527.29

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Solution

The fourth proportional to 13,938.24, 21,003.27 and 11,527.29 is: 17,370.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,938.24 : 21,003.27 = 11,527.29 : x
  2. Step 2: Convert to fraction form
    13,938.24/21,003.27 = 11,527.29/x
  3. Step 3: Cross multiply
    13,938.24x = 21,003.27 × 11,527.29
  4. Step 4: Simplify right side
    13,938.24x = 242,110,784.24
  5. Step 5: Solve for x
    x = 242,110,784.24/13,938.24
  6. Step 6: Final answer
    x = 17,370.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.