Home / 19,644.27-27,109.69-10,692.35

Finding the Fourth Proportional to 19,644.27, 27,109.69 and 10,692.35

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Solution

The fourth proportional to 19,644.27, 27,109.69 and 10,692.35 is: 14,755.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,644.27 : 27,109.69 = 10,692.35 : x
  2. Step 2: Convert to fraction form
    19,644.27/27,109.69 = 10,692.35/x
  3. Step 3: Cross multiply
    19,644.27x = 27,109.69 × 10,692.35
  4. Step 4: Simplify right side
    19,644.27x = 289,866,385.75
  5. Step 5: Solve for x
    x = 289,866,385.75/19,644.27
  6. Step 6: Final answer
    x = 14,755.77

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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.