Home / 17,987.45-27,000.61-7,606.49

Finding the Fourth Proportional to 17,987.45, 27,000.61 and 7,606.49

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Solution

The fourth proportional to 17,987.45, 27,000.61 and 7,606.49 is: 11,417.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,987.45 : 27,000.61 = 7,606.49 : x
  2. Step 2: Convert to fraction form
    17,987.45/27,000.61 = 7,606.49/x
  3. Step 3: Cross multiply
    17,987.45x = 27,000.61 × 7,606.49
  4. Step 4: Simplify right side
    17,987.45x = 205,379,715.94
  5. Step 5: Solve for x
    x = 205,379,715.94/17,987.45
  6. Step 6: Final answer
    x = 11,417.95

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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.