Home / 14,064.08-21,099.32-7,486.80

Finding the Fourth Proportional to 14,064.08, 21,099.32 and 7,486.80

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Solution

The fourth proportional to 14,064.08, 21,099.32 and 7,486.80 is: 11,231.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,064.08 : 21,099.32 = 7,486.80 : x
  2. Step 2: Convert to fraction form
    14,064.08/21,099.32 = 7,486.80/x
  3. Step 3: Cross multiply
    14,064.08x = 21,099.32 × 7,486.80
  4. Step 4: Simplify right side
    14,064.08x = 157,966,388.98
  5. Step 5: Solve for x
    x = 157,966,388.98/14,064.08
  6. Step 6: Final answer
    x = 11,231.90

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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.