Home / 10,749.48-16,112.58-4,512.90

Finding the Fourth Proportional to 10,749.48, 16,112.58 and 4,512.90

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Solution

The fourth proportional to 10,749.48, 16,112.58 and 4,512.90 is: 6,764.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,749.48 : 16,112.58 = 4,512.90 : x
  2. Step 2: Convert to fraction form
    10,749.48/16,112.58 = 4,512.90/x
  3. Step 3: Cross multiply
    10,749.48x = 16,112.58 × 4,512.90
  4. Step 4: Simplify right side
    10,749.48x = 72,714,462.28
  5. Step 5: Solve for x
    x = 72,714,462.28/10,749.48
  6. Step 6: Final answer
    x = 6,764.46

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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.