Home / 18,430.64-27,645.84-4,579.52

Finding the Fourth Proportional to 18,430.64, 27,645.84 and 4,579.52

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Solution

The fourth proportional to 18,430.64, 27,645.84 and 4,579.52 is: 6,869.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,430.64 : 27,645.84 = 4,579.52 : x
  2. Step 2: Convert to fraction form
    18,430.64/27,645.84 = 4,579.52/x
  3. Step 3: Cross multiply
    18,430.64x = 27,645.84 × 4,579.52
  4. Step 4: Simplify right side
    18,430.64x = 126,604,677.20
  5. Step 5: Solve for x
    x = 126,604,677.20/18,430.64
  6. Step 6: Final answer
    x = 6,869.25

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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.