Home / 14,004.78-21,014.46-11,025

Finding the Fourth Proportional to 14,004.78, 21,014.46 and 11,025

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Solution

The fourth proportional to 14,004.78, 21,014.46 and 11,025 is: 16,543.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,004.78 : 21,014.46 = 11,025 : x
  2. Step 2: Convert to fraction form
    14,004.78/21,014.46 = 11,025/x
  3. Step 3: Cross multiply
    14,004.78x = 21,014.46 × 11,025
  4. Step 4: Simplify right side
    14,004.78x = 231,684,421.50
  5. Step 5: Solve for x
    x = 231,684,421.50/14,004.78
  6. Step 6: Final answer
    x = 16,543.24

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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.