Home / 34,289.88-51,421.98-11,794.20

Finding the Fourth Proportional to 34,289.88, 51,421.98 and 11,794.20

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Solution

The fourth proportional to 34,289.88, 51,421.98 and 11,794.20 is: 17,686.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,289.88 : 51,421.98 = 11,794.20 : x
  2. Step 2: Convert to fraction form
    34,289.88/51,421.98 = 11,794.20/x
  3. Step 3: Cross multiply
    34,289.88x = 51,421.98 × 11,794.20
  4. Step 4: Simplify right side
    34,289.88x = 606,481,116.52
  5. Step 5: Solve for x
    x = 606,481,116.52/34,289.88
  6. Step 6: Final answer
    x = 17,686.88

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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.