Home / 10,668.48-15,997.45-3,271.15

Finding the Fourth Proportional to 10,668.48, 15,997.45 and 3,271.15

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Solution

The fourth proportional to 10,668.48, 15,997.45 and 3,271.15 is: 4,905.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,668.48 : 15,997.45 = 3,271.15 : x
  2. Step 2: Convert to fraction form
    10,668.48/15,997.45 = 3,271.15/x
  3. Step 3: Cross multiply
    10,668.48x = 15,997.45 × 3,271.15
  4. Step 4: Simplify right side
    10,668.48x = 52,330,058.57
  5. Step 5: Solve for x
    x = 52,330,058.57/10,668.48
  6. Step 6: Final answer
    x = 4,905.11

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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.