Home / 15,004.08-20,692.17-12,494.49

Finding the Fourth Proportional to 15,004.08, 20,692.17 and 12,494.49

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Solution

The fourth proportional to 15,004.08, 20,692.17 and 12,494.49 is: 17,231.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,004.08 : 20,692.17 = 12,494.49 : x
  2. Step 2: Convert to fraction form
    15,004.08/20,692.17 = 12,494.49/x
  3. Step 3: Cross multiply
    15,004.08x = 20,692.17 × 12,494.49
  4. Step 4: Simplify right side
    15,004.08x = 258,538,111.14
  5. Step 5: Solve for x
    x = 258,538,111.14/15,004.08
  6. Step 6: Final answer
    x = 17,231.19

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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.