Home / 14,211.17-21,307.22-6,811.58

Finding the Fourth Proportional to 14,211.17, 21,307.22 and 6,811.58

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Solution

The fourth proportional to 14,211.17, 21,307.22 and 6,811.58 is: 10,212.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,211.17 : 21,307.22 = 6,811.58 : x
  2. Step 2: Convert to fraction form
    14,211.17/21,307.22 = 6,811.58/x
  3. Step 3: Cross multiply
    14,211.17x = 21,307.22 × 6,811.58
  4. Step 4: Simplify right side
    14,211.17x = 145,135,852.82
  5. Step 5: Solve for x
    x = 145,135,852.82/14,211.17
  6. Step 6: Final answer
    x = 10,212.80

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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.