Home / 14,136.58-21,204.88-8,290

Finding the Fourth Proportional to 14,136.58, 21,204.88 and 8,290

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Solution

The fourth proportional to 14,136.58, 21,204.88 and 8,290 is: 12,435.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,136.58 : 21,204.88 = 8,290 : x
  2. Step 2: Convert to fraction form
    14,136.58/21,204.88 = 8,290/x
  3. Step 3: Cross multiply
    14,136.58x = 21,204.88 × 8,290
  4. Step 4: Simplify right side
    14,136.58x = 175,788,455.20
  5. Step 5: Solve for x
    x = 175,788,455.20/14,136.58
  6. Step 6: Final answer
    x = 12,435.01

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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.