Home / 22,430.91-30,953.18-13,473.09

Finding the Fourth Proportional to 22,430.91, 30,953.18 and 13,473.09

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Solution

The fourth proportional to 22,430.91, 30,953.18 and 13,473.09 is: 18,591.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,430.91 : 30,953.18 = 13,473.09 : x
  2. Step 2: Convert to fraction form
    22,430.91/30,953.18 = 13,473.09/x
  3. Step 3: Cross multiply
    22,430.91x = 30,953.18 × 13,473.09
  4. Step 4: Simplify right side
    22,430.91x = 417,034,912.56
  5. Step 5: Solve for x
    x = 417,034,912.56/22,430.91
  6. Step 6: Final answer
    x = 18,591.97

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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.