Home / 34,286.20-51,427.14-10,929.40

Finding the Fourth Proportional to 34,286.20, 51,427.14 and 10,929.40

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Solution

The fourth proportional to 34,286.20, 51,427.14 and 10,929.40 is: 16,393.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,286.20 : 51,427.14 = 10,929.40 : x
  2. Step 2: Convert to fraction form
    34,286.20/51,427.14 = 10,929.40/x
  3. Step 3: Cross multiply
    34,286.20x = 51,427.14 × 10,929.40
  4. Step 4: Simplify right side
    34,286.20x = 562,067,783.92
  5. Step 5: Solve for x
    x = 562,067,783.92/34,286.20
  6. Step 6: Final answer
    x = 16,393.41

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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.