Home / 14,126.31-21,163.64-6,616.10

Finding the Fourth Proportional to 14,126.31, 21,163.64 and 6,616.10

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Solution

The fourth proportional to 14,126.31, 21,163.64 and 6,616.10 is: 9,912.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,126.31 : 21,163.64 = 6,616.10 : x
  2. Step 2: Convert to fraction form
    14,126.31/21,163.64 = 6,616.10/x
  3. Step 3: Cross multiply
    14,126.31x = 21,163.64 × 6,616.10
  4. Step 4: Simplify right side
    14,126.31x = 140,020,619.71
  5. Step 5: Solve for x
    x = 140,020,619.71/14,126.31
  6. Step 6: Final answer
    x = 9,912.04

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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.