Home / 20,673.45-28,534.59-11,726.28

Finding the Fourth Proportional to 20,673.45, 28,534.59 and 11,726.28

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Solution

The fourth proportional to 20,673.45, 28,534.59 and 11,726.28 is: 16,185.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,673.45 : 28,534.59 = 11,726.28 : x
  2. Step 2: Convert to fraction form
    20,673.45/28,534.59 = 11,726.28/x
  3. Step 3: Cross multiply
    20,673.45x = 28,534.59 × 11,726.28
  4. Step 4: Simplify right side
    20,673.45x = 334,604,592.03
  5. Step 5: Solve for x
    x = 334,604,592.03/20,673.45
  6. Step 6: Final answer
    x = 16,185.23

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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.