Home / 18,430.19-27,645.47-4,579.19

Finding the Fourth Proportional to 18,430.19, 27,645.47 and 4,579.19

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Solution

The fourth proportional to 18,430.19, 27,645.47 and 4,579.19 is: 6,868.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,430.19 : 27,645.47 = 4,579.19 : x
  2. Step 2: Convert to fraction form
    18,430.19/27,645.47 = 4,579.19/x
  3. Step 3: Cross multiply
    18,430.19x = 27,645.47 × 4,579.19
  4. Step 4: Simplify right side
    18,430.19x = 126,593,859.77
  5. Step 5: Solve for x
    x = 126,593,859.77/18,430.19
  6. Step 6: Final answer
    x = 6,868.83

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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.