Home / 9,129.27-12,598.11-5,150.33

Finding the Fourth Proportional to 9,129.27, 12,598.11 and 5,150.33

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Solution

The fourth proportional to 9,129.27, 12,598.11 and 5,150.33 is: 7,107.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,129.27 : 12,598.11 = 5,150.33 : x
  2. Step 2: Convert to fraction form
    9,129.27/12,598.11 = 5,150.33/x
  3. Step 3: Cross multiply
    9,129.27x = 12,598.11 × 5,150.33
  4. Step 4: Simplify right side
    9,129.27x = 64,884,423.88
  5. Step 5: Solve for x
    x = 64,884,423.88/9,129.27
  6. Step 6: Final answer
    x = 7,107.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.