Home / 20,333.13-30,502.16-7,182.81

Finding the Fourth Proportional to 20,333.13, 30,502.16 and 7,182.81

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Solution

The fourth proportional to 20,333.13, 30,502.16 and 7,182.81 is: 10,775.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,333.13 : 30,502.16 = 7,182.81 : x
  2. Step 2: Convert to fraction form
    20,333.13/30,502.16 = 7,182.81/x
  3. Step 3: Cross multiply
    20,333.13x = 30,502.16 × 7,182.81
  4. Step 4: Simplify right side
    20,333.13x = 219,091,183.96
  5. Step 5: Solve for x
    x = 219,091,183.96/20,333.13
  6. Step 6: Final answer
    x = 10,775.08

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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.