Home / 14,106.42-21,157.47-3,718.98

Finding the Fourth Proportional to 14,106.42, 21,157.47 and 3,718.98

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Solution

The fourth proportional to 14,106.42, 21,157.47 and 3,718.98 is: 5,577.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,106.42 : 21,157.47 = 3,718.98 : x
  2. Step 2: Convert to fraction form
    14,106.42/21,157.47 = 3,718.98/x
  3. Step 3: Cross multiply
    14,106.42x = 21,157.47 × 3,718.98
  4. Step 4: Simplify right side
    14,106.42x = 78,684,207.78
  5. Step 5: Solve for x
    x = 78,684,207.78/14,106.42
  6. Step 6: Final answer
    x = 5,577.90

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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.