Home / 12,628.23-17,428.01-6,963.50

Finding the Fourth Proportional to 12,628.23, 17,428.01 and 6,963.50

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Solution

The fourth proportional to 12,628.23, 17,428.01 and 6,963.50 is: 9,610.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,628.23 : 17,428.01 = 6,963.50 : x
  2. Step 2: Convert to fraction form
    12,628.23/17,428.01 = 6,963.50/x
  3. Step 3: Cross multiply
    12,628.23x = 17,428.01 × 6,963.50
  4. Step 4: Simplify right side
    12,628.23x = 121,359,825.68
  5. Step 5: Solve for x
    x = 121,359,825.68/12,628.23
  6. Step 6: Final answer
    x = 9,610.20

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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.