Home / 13,692.27-20,540.93-4,334.64

Finding the Fourth Proportional to 13,692.27, 20,540.93 and 4,334.64

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Solution

The fourth proportional to 13,692.27, 20,540.93 and 4,334.64 is: 6,502.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,692.27 : 20,540.93 = 4,334.64 : x
  2. Step 2: Convert to fraction form
    13,692.27/20,540.93 = 4,334.64/x
  3. Step 3: Cross multiply
    13,692.27x = 20,540.93 × 4,334.64
  4. Step 4: Simplify right side
    13,692.27x = 89,037,547.65
  5. Step 5: Solve for x
    x = 89,037,547.65/13,692.27
  6. Step 6: Final answer
    x = 6,502.76

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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.