Home / 10,749.64-16,130.68-4,509.09

Finding the Fourth Proportional to 10,749.64, 16,130.68 and 4,509.09

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Solution

The fourth proportional to 10,749.64, 16,130.68 and 4,509.09 is: 6,766.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,749.64 : 16,130.68 = 4,509.09 : x
  2. Step 2: Convert to fraction form
    10,749.64/16,130.68 = 4,509.09/x
  3. Step 3: Cross multiply
    10,749.64x = 16,130.68 × 4,509.09
  4. Step 4: Simplify right side
    10,749.64x = 72,734,676.61
  5. Step 5: Solve for x
    x = 72,734,676.61/10,749.64
  6. Step 6: Final answer
    x = 6,766.24

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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.