Home / 14,840.06-20,479.30-8,125.74

Finding the Fourth Proportional to 14,840.06, 20,479.30 and 8,125.74

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Solution

The fourth proportional to 14,840.06, 20,479.30 and 8,125.74 is: 11,213.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,840.06 : 20,479.30 = 8,125.74 : x
  2. Step 2: Convert to fraction form
    14,840.06/20,479.30 = 8,125.74/x
  3. Step 3: Cross multiply
    14,840.06x = 20,479.30 × 8,125.74
  4. Step 4: Simplify right side
    14,840.06x = 166,409,467.18
  5. Step 5: Solve for x
    x = 166,409,467.18/14,840.06
  6. Step 6: Final answer
    x = 11,213.53

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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.