Home / 12,428.73-17,152.01-6,763.85

Finding the Fourth Proportional to 12,428.73, 17,152.01 and 6,763.85

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Solution

The fourth proportional to 12,428.73, 17,152.01 and 6,763.85 is: 9,334.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,428.73 : 17,152.01 = 6,763.85 : x
  2. Step 2: Convert to fraction form
    12,428.73/17,152.01 = 6,763.85/x
  3. Step 3: Cross multiply
    12,428.73x = 17,152.01 × 6,763.85
  4. Step 4: Simplify right side
    12,428.73x = 116,013,537.08
  5. Step 5: Solve for x
    x = 116,013,537.08/12,428.73
  6. Step 6: Final answer
    x = 9,334.30

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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.