Home / 14,299.68-21,452.60-7,280.72

Finding the Fourth Proportional to 14,299.68, 21,452.60 and 7,280.72

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Solution

The fourth proportional to 14,299.68, 21,452.60 and 7,280.72 is: 10,922.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,299.68 : 21,452.60 = 7,280.72 : x
  2. Step 2: Convert to fraction form
    14,299.68/21,452.60 = 7,280.72/x
  3. Step 3: Cross multiply
    14,299.68x = 21,452.60 × 7,280.72
  4. Step 4: Simplify right side
    14,299.68x = 156,190,373.87
  5. Step 5: Solve for x
    x = 156,190,373.87/14,299.68
  6. Step 6: Final answer
    x = 10,922.65

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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.