Home / 15,964.50-22,033.80-12,181.80

Finding the Fourth Proportional to 15,964.50, 22,033.80 and 12,181.80

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Solution

The fourth proportional to 15,964.50, 22,033.80 and 12,181.80 is: 16,813.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,964.50 : 22,033.80 = 12,181.80 : x
  2. Step 2: Convert to fraction form
    15,964.50/22,033.80 = 12,181.80/x
  3. Step 3: Cross multiply
    15,964.50x = 22,033.80 × 12,181.80
  4. Step 4: Simplify right side
    15,964.50x = 268,411,344.84
  5. Step 5: Solve for x
    x = 268,411,344.84/15,964.50
  6. Step 6: Final answer
    x = 16,813.01

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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.