Home / 12,637.73-17,440.23-6,972.71

Finding the Fourth Proportional to 12,637.73, 17,440.23 and 6,972.71

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Solution

The fourth proportional to 12,637.73, 17,440.23 and 6,972.71 is: 9,622.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,637.73 : 17,440.23 = 6,972.71 : x
  2. Step 2: Convert to fraction form
    12,637.73/17,440.23 = 6,972.71/x
  3. Step 3: Cross multiply
    12,637.73x = 17,440.23 × 6,972.71
  4. Step 4: Simplify right side
    12,637.73x = 121,605,544.06
  5. Step 5: Solve for x
    x = 121,605,544.06/12,637.73
  6. Step 6: Final answer
    x = 9,622.42

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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.