Home / 10,647.09-15,970.30-3,251.25

Finding the Fourth Proportional to 10,647.09, 15,970.30 and 3,251.25

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Solution

The fourth proportional to 10,647.09, 15,970.30 and 3,251.25 is: 4,876.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647.09 : 15,970.30 = 3,251.25 : x
  2. Step 2: Convert to fraction form
    10,647.09/15,970.30 = 3,251.25/x
  3. Step 3: Cross multiply
    10,647.09x = 15,970.30 × 3,251.25
  4. Step 4: Simplify right side
    10,647.09x = 51,923,429.75
  5. Step 5: Solve for x
    x = 51,923,429.75/10,647.09
  6. Step 6: Final answer
    x = 4,876.77

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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.