Home / 13,634.64-20,352.45-11,699.28

Finding the Fourth Proportional to 13,634.64, 20,352.45 and 11,699.28

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Solution

The fourth proportional to 13,634.64, 20,352.45 and 11,699.28 is: 17,463.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,634.64 : 20,352.45 = 11,699.28 : x
  2. Step 2: Convert to fraction form
    13,634.64/20,352.45 = 11,699.28/x
  3. Step 3: Cross multiply
    13,634.64x = 20,352.45 × 11,699.28
  4. Step 4: Simplify right side
    13,634.64x = 238,109,011.24
  5. Step 5: Solve for x
    x = 238,109,011.24/13,634.64
  6. Step 6: Final answer
    x = 17,463.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.