Home / 19,254.24-28,861.52-7,404.80

Finding the Fourth Proportional to 19,254.24, 28,861.52 and 7,404.80

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Solution

The fourth proportional to 19,254.24, 28,861.52 and 7,404.80 is: 11,099.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,254.24 : 28,861.52 = 7,404.80 : x
  2. Step 2: Convert to fraction form
    19,254.24/28,861.52 = 7,404.80/x
  3. Step 3: Cross multiply
    19,254.24x = 28,861.52 × 7,404.80
  4. Step 4: Simplify right side
    19,254.24x = 213,713,783.30
  5. Step 5: Solve for x
    x = 213,713,783.30/19,254.24
  6. Step 6: Final answer
    x = 11,099.57

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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.