Home / 14,612.36-21,915.68-12,162.92

Finding the Fourth Proportional to 14,612.36, 21,915.68 and 12,162.92

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Solution

The fourth proportional to 14,612.36, 21,915.68 and 12,162.92 is: 18,242.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,612.36 : 21,915.68 = 12,162.92 : x
  2. Step 2: Convert to fraction form
    14,612.36/21,915.68 = 12,162.92/x
  3. Step 3: Cross multiply
    14,612.36x = 21,915.68 × 12,162.92
  4. Step 4: Simplify right side
    14,612.36x = 266,558,662.59
  5. Step 5: Solve for x
    x = 266,558,662.59/14,612.36
  6. Step 6: Final answer
    x = 18,242.00

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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.