Home / 18,430.43-27,645.53-5,282.82

Finding the Fourth Proportional to 18,430.43, 27,645.53 and 5,282.82

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Solution

The fourth proportional to 18,430.43, 27,645.53 and 5,282.82 is: 7,924.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,430.43 : 27,645.53 = 5,282.82 : x
  2. Step 2: Convert to fraction form
    18,430.43/27,645.53 = 5,282.82/x
  3. Step 3: Cross multiply
    18,430.43x = 27,645.53 × 5,282.82
  4. Step 4: Simplify right side
    18,430.43x = 146,046,332.38
  5. Step 5: Solve for x
    x = 146,046,332.38/18,430.43
  6. Step 6: Final answer
    x = 7,924.20

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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.