Home / 30,183.38-45,277.56-9,406.88

Finding the Fourth Proportional to 30,183.38, 45,277.56 and 9,406.88

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Solution

The fourth proportional to 30,183.38, 45,277.56 and 9,406.88 is: 14,111.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,183.38 : 45,277.56 = 9,406.88 : x
  2. Step 2: Convert to fraction form
    30,183.38/45,277.56 = 9,406.88/x
  3. Step 3: Cross multiply
    30,183.38x = 45,277.56 × 9,406.88
  4. Step 4: Simplify right side
    30,183.38x = 425,920,347.23
  5. Step 5: Solve for x
    x = 425,920,347.23/30,183.38
  6. Step 6: Final answer
    x = 14,111.09

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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.