Home / 12,806.12-19,201.26-5,011.40

Finding the Fourth Proportional to 12,806.12, 19,201.26 and 5,011.40

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Solution

The fourth proportional to 12,806.12, 19,201.26 and 5,011.40 is: 7,514.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,806.12 : 19,201.26 = 5,011.40 : x
  2. Step 2: Convert to fraction form
    12,806.12/19,201.26 = 5,011.40/x
  3. Step 3: Cross multiply
    12,806.12x = 19,201.26 × 5,011.40
  4. Step 4: Simplify right side
    12,806.12x = 96,225,194.36
  5. Step 5: Solve for x
    x = 96,225,194.36/12,806.12
  6. Step 6: Final answer
    x = 7,514.00

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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.