Home / 13,612.44-20,298.84-12,535.32

Finding the Fourth Proportional to 13,612.44, 20,298.84 and 12,535.32

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Solution

The fourth proportional to 13,612.44, 20,298.84 and 12,535.32 is: 18,692.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,612.44 : 20,298.84 = 12,535.32 : x
  2. Step 2: Convert to fraction form
    13,612.44/20,298.84 = 12,535.32/x
  3. Step 3: Cross multiply
    13,612.44x = 20,298.84 × 12,535.32
  4. Step 4: Simplify right side
    13,612.44x = 254,452,455.03
  5. Step 5: Solve for x
    x = 254,452,455.03/13,612.44
  6. Step 6: Final answer
    x = 18,692.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.