Home / 12,952.56-19,428.39-4,187.25

Finding the Fourth Proportional to 12,952.56, 19,428.39 and 4,187.25

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Solution

The fourth proportional to 12,952.56, 19,428.39 and 4,187.25 is: 6,280.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,952.56 : 19,428.39 = 4,187.25 : x
  2. Step 2: Convert to fraction form
    12,952.56/19,428.39 = 4,187.25/x
  3. Step 3: Cross multiply
    12,952.56x = 19,428.39 × 4,187.25
  4. Step 4: Simplify right side
    12,952.56x = 81,351,526.03
  5. Step 5: Solve for x
    x = 81,351,526.03/12,952.56
  6. Step 6: Final answer
    x = 6,280.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.