Home / 12,995.03-19,492.09-4,229.72

Finding the Fourth Proportional to 12,995.03, 19,492.09 and 4,229.72

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Solution

The fourth proportional to 12,995.03, 19,492.09 and 4,229.72 is: 6,344.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,995.03 : 19,492.09 = 4,229.72 : x
  2. Step 2: Convert to fraction form
    12,995.03/19,492.09 = 4,229.72/x
  3. Step 3: Cross multiply
    12,995.03x = 19,492.09 × 4,229.72
  4. Step 4: Simplify right side
    12,995.03x = 82,446,071.77
  5. Step 5: Solve for x
    x = 82,446,071.77/12,995.03
  6. Step 6: Final answer
    x = 6,344.43

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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.