Home / 15,272.24-21,072.04-8,894.96

Finding the Fourth Proportional to 15,272.24, 21,072.04 and 8,894.96

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Solution

The fourth proportional to 15,272.24, 21,072.04 and 8,894.96 is: 12,272.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,272.24 : 21,072.04 = 8,894.96 : x
  2. Step 2: Convert to fraction form
    15,272.24/21,072.04 = 8,894.96/x
  3. Step 3: Cross multiply
    15,272.24x = 21,072.04 × 8,894.96
  4. Step 4: Simplify right side
    15,272.24x = 187,434,952.92
  5. Step 5: Solve for x
    x = 187,434,952.92/15,272.24
  6. Step 6: Final answer
    x = 12,272.92

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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.