Home / 15,914.91-21,962.00-8,841.80

Finding the Fourth Proportional to 15,914.91, 21,962.00 and 8,841.80

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Solution

The fourth proportional to 15,914.91, 21,962.00 and 8,841.80 is: 12,201.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,914.91 : 21,962.00 = 8,841.80 : x
  2. Step 2: Convert to fraction form
    15,914.91/21,962.00 = 8,841.80/x
  3. Step 3: Cross multiply
    15,914.91x = 21,962.00 × 8,841.80
  4. Step 4: Simplify right side
    15,914.91x = 194,183,457.58
  5. Step 5: Solve for x
    x = 194,183,457.58/15,914.91
  6. Step 6: Final answer
    x = 12,201.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.