Home / 14,113.32-21,202.38-12,145.02

Finding the Fourth Proportional to 14,113.32, 21,202.38 and 12,145.02

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Solution

The fourth proportional to 14,113.32, 21,202.38 and 12,145.02 is: 18,245.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,113.32 : 21,202.38 = 12,145.02 : x
  2. Step 2: Convert to fraction form
    14,113.32/21,202.38 = 12,145.02/x
  3. Step 3: Cross multiply
    14,113.32x = 21,202.38 × 12,145.02
  4. Step 4: Simplify right side
    14,113.32x = 257,503,329.15
  5. Step 5: Solve for x
    x = 257,503,329.15/14,113.32
  6. Step 6: Final answer
    x = 18,245.41

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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.