Home / 14,397.87-21,606.89-6,611.79

Finding the Fourth Proportional to 14,397.87, 21,606.89 and 6,611.79

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Solution

The fourth proportional to 14,397.87, 21,606.89 and 6,611.79 is: 9,922.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,397.87 : 21,606.89 = 6,611.79 : x
  2. Step 2: Convert to fraction form
    14,397.87/21,606.89 = 6,611.79/x
  3. Step 3: Cross multiply
    14,397.87x = 21,606.89 × 6,611.79
  4. Step 4: Simplify right side
    14,397.87x = 142,860,186.17
  5. Step 5: Solve for x
    x = 142,860,186.17/14,397.87
  6. Step 6: Final answer
    x = 9,922.31

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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.