Home / 18,007.17-27,011.78-4,860.57

Finding the Fourth Proportional to 18,007.17, 27,011.78 and 4,860.57

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Solution

The fourth proportional to 18,007.17, 27,011.78 and 4,860.57 is: 7,291.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,007.17 : 27,011.78 = 4,860.57 : x
  2. Step 2: Convert to fraction form
    18,007.17/27,011.78 = 4,860.57/x
  3. Step 3: Cross multiply
    18,007.17x = 27,011.78 × 4,860.57
  4. Step 4: Simplify right side
    18,007.17x = 131,292,623.21
  5. Step 5: Solve for x
    x = 131,292,623.21/18,007.17
  6. Step 6: Final answer
    x = 7,291.13

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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.