Home / 21,692.77-29,926.39-14,137.37

Finding the Fourth Proportional to 21,692.77, 29,926.39 and 14,137.37

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Solution

The fourth proportional to 21,692.77, 29,926.39 and 14,137.37 is: 19,503.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,692.77 : 29,926.39 = 14,137.37 : x
  2. Step 2: Convert to fraction form
    21,692.77/29,926.39 = 14,137.37/x
  3. Step 3: Cross multiply
    21,692.77x = 29,926.39 × 14,137.37
  4. Step 4: Simplify right side
    21,692.77x = 423,080,362.19
  5. Step 5: Solve for x
    x = 423,080,362.19/21,692.77
  6. Step 6: Final answer
    x = 19,503.29

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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.