Home / 12,493.32-18,738.28-4,173.16

Finding the Fourth Proportional to 12,493.32, 18,738.28 and 4,173.16

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Solution

The fourth proportional to 12,493.32, 18,738.28 and 4,173.16 is: 6,259.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,493.32 : 18,738.28 = 4,173.16 : x
  2. Step 2: Convert to fraction form
    12,493.32/18,738.28 = 4,173.16/x
  3. Step 3: Cross multiply
    12,493.32x = 18,738.28 × 4,173.16
  4. Step 4: Simplify right side
    12,493.32x = 78,197,840.56
  5. Step 5: Solve for x
    x = 78,197,840.56/12,493.32
  6. Step 6: Final answer
    x = 6,259.17

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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.