Home / 10,647.61-15,969.35-4,072.25

Finding the Fourth Proportional to 10,647.61, 15,969.35 and 4,072.25

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Solution

The fourth proportional to 10,647.61, 15,969.35 and 4,072.25 is: 6,107.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647.61 : 15,969.35 = 4,072.25 : x
  2. Step 2: Convert to fraction form
    10,647.61/15,969.35 = 4,072.25/x
  3. Step 3: Cross multiply
    10,647.61x = 15,969.35 × 4,072.25
  4. Step 4: Simplify right side
    10,647.61x = 65,031,235.64
  5. Step 5: Solve for x
    x = 65,031,235.64/10,647.61
  6. Step 6: Final answer
    x = 6,107.59

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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.