Home / 12,519.36-17,276.90-6,930.36

Finding the Fourth Proportional to 12,519.36, 17,276.90 and 6,930.36

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Solution

The fourth proportional to 12,519.36, 17,276.90 and 6,930.36 is: 9,564.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,519.36 : 17,276.90 = 6,930.36 : x
  2. Step 2: Convert to fraction form
    12,519.36/17,276.90 = 6,930.36/x
  3. Step 3: Cross multiply
    12,519.36x = 17,276.90 × 6,930.36
  4. Step 4: Simplify right side
    12,519.36x = 119,735,102.03
  5. Step 5: Solve for x
    x = 119,735,102.03/12,519.36
  6. Step 6: Final answer
    x = 9,564.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.