Home / 14,516.30-21,745.28-12,285.56

Finding the Fourth Proportional to 14,516.30, 21,745.28 and 12,285.56

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Solution

The fourth proportional to 14,516.30, 21,745.28 and 12,285.56 is: 18,403.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,516.30 : 21,745.28 = 12,285.56 : x
  2. Step 2: Convert to fraction form
    14,516.30/21,745.28 = 12,285.56/x
  3. Step 3: Cross multiply
    14,516.30x = 21,745.28 × 12,285.56
  4. Step 4: Simplify right side
    14,516.30x = 267,152,864.14
  5. Step 5: Solve for x
    x = 267,152,864.14/14,516.30
  6. Step 6: Final answer
    x = 18,403.65

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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.