Home / 18,443.12-27,692.32-10,554.52

Finding the Fourth Proportional to 18,443.12, 27,692.32 and 10,554.52

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Solution

The fourth proportional to 18,443.12, 27,692.32 and 10,554.52 is: 15,847.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,443.12 : 27,692.32 = 10,554.52 : x
  2. Step 2: Convert to fraction form
    18,443.12/27,692.32 = 10,554.52/x
  3. Step 3: Cross multiply
    18,443.12x = 27,692.32 × 10,554.52
  4. Step 4: Simplify right side
    18,443.12x = 292,279,145.29
  5. Step 5: Solve for x
    x = 292,279,145.29/18,443.12
  6. Step 6: Final answer
    x = 15,847.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.