Home / 12,863.00-19,312.36-6,627.49

Finding the Fourth Proportional to 12,863.00, 19,312.36 and 6,627.49

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Solution

The fourth proportional to 12,863.00, 19,312.36 and 6,627.49 is: 9,950.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,863.00 : 19,312.36 = 6,627.49 : x
  2. Step 2: Convert to fraction form
    12,863.00/19,312.36 = 6,627.49/x
  3. Step 3: Cross multiply
    12,863.00x = 19,312.36 × 6,627.49
  4. Step 4: Simplify right side
    12,863.00x = 127,992,407.93
  5. Step 5: Solve for x
    x = 127,992,407.93/12,863.00
  6. Step 6: Final answer
    x = 9,950.43

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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.