Home / 12,864.06-19,292.25-4,542.54

Finding the Fourth Proportional to 12,864.06, 19,292.25 and 4,542.54

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Solution

The fourth proportional to 12,864.06, 19,292.25 and 4,542.54 is: 6,812.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,864.06 : 19,292.25 = 4,542.54 : x
  2. Step 2: Convert to fraction form
    12,864.06/19,292.25 = 4,542.54/x
  3. Step 3: Cross multiply
    12,864.06x = 19,292.25 × 4,542.54
  4. Step 4: Simplify right side
    12,864.06x = 87,635,817.32
  5. Step 5: Solve for x
    x = 87,635,817.32/12,864.06
  6. Step 6: Final answer
    x = 6,812.45

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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.