Home / 13,255.12-19,883.16-4,020.88

Finding the Fourth Proportional to 13,255.12, 19,883.16 and 4,020.88

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Solution

The fourth proportional to 13,255.12, 19,883.16 and 4,020.88 is: 6,031.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,255.12 : 19,883.16 = 4,020.88 : x
  2. Step 2: Convert to fraction form
    13,255.12/19,883.16 = 4,020.88/x
  3. Step 3: Cross multiply
    13,255.12x = 19,883.16 × 4,020.88
  4. Step 4: Simplify right side
    13,255.12x = 79,947,800.38
  5. Step 5: Solve for x
    x = 79,947,800.38/13,255.12
  6. Step 6: Final answer
    x = 6,031.47

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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.