Home / 14,692.41-20,289.81-12,555.36

Finding the Fourth Proportional to 14,692.41, 20,289.81 and 12,555.36

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Solution

The fourth proportional to 14,692.41, 20,289.81 and 12,555.36 is: 17,338.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,692.41 : 20,289.81 = 12,555.36 : x
  2. Step 2: Convert to fraction form
    14,692.41/20,289.81 = 12,555.36/x
  3. Step 3: Cross multiply
    14,692.41x = 20,289.81 × 12,555.36
  4. Step 4: Simplify right side
    14,692.41x = 254,745,868.88
  5. Step 5: Solve for x
    x = 254,745,868.88/14,692.41
  6. Step 6: Final answer
    x = 17,338.60

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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.