Home / 12,579.03-17,359.47-6,913.97

Finding the Fourth Proportional to 12,579.03, 17,359.47 and 6,913.97

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Solution

The fourth proportional to 12,579.03, 17,359.47 and 6,913.97 is: 9,541.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,579.03 : 17,359.47 = 6,913.97 : x
  2. Step 2: Convert to fraction form
    12,579.03/17,359.47 = 6,913.97/x
  3. Step 3: Cross multiply
    12,579.03x = 17,359.47 × 6,913.97
  4. Step 4: Simplify right side
    12,579.03x = 120,022,768.00
  5. Step 5: Solve for x
    x = 120,022,768.00/12,579.03
  6. Step 6: Final answer
    x = 9,541.50

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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.