Home / 14,013.42-21,010.41-6,611.64

Finding the Fourth Proportional to 14,013.42, 21,010.41 and 6,611.64

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Solution

The fourth proportional to 14,013.42, 21,010.41 and 6,611.64 is: 9,912.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,013.42 : 21,010.41 = 6,611.64 : x
  2. Step 2: Convert to fraction form
    14,013.42/21,010.41 = 6,611.64/x
  3. Step 3: Cross multiply
    14,013.42x = 21,010.41 × 6,611.64
  4. Step 4: Simplify right side
    14,013.42x = 138,913,267.17
  5. Step 5: Solve for x
    x = 138,913,267.17/14,013.42
  6. Step 6: Final answer
    x = 9,912.87

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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.