Home / 34,287.20-51,428.64-10,930.40

Finding the Fourth Proportional to 34,287.20, 51,428.64 and 10,930.40

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Solution

The fourth proportional to 34,287.20, 51,428.64 and 10,930.40 is: 16,394.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,287.20 : 51,428.64 = 10,930.40 : x
  2. Step 2: Convert to fraction form
    34,287.20/51,428.64 = 10,930.40/x
  3. Step 3: Cross multiply
    34,287.20x = 51,428.64 × 10,930.40
  4. Step 4: Simplify right side
    34,287.20x = 562,135,606.66
  5. Step 5: Solve for x
    x = 562,135,606.66/34,287.20
  6. Step 6: Final answer
    x = 16,394.91

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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.