Home / 19,603.62-27,049.95-11,218.50

Finding the Fourth Proportional to 19,603.62, 27,049.95 and 11,218.50

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Solution

The fourth proportional to 19,603.62, 27,049.95 and 11,218.50 is: 15,479.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,603.62 : 27,049.95 = 11,218.50 : x
  2. Step 2: Convert to fraction form
    19,603.62/27,049.95 = 11,218.50/x
  3. Step 3: Cross multiply
    19,603.62x = 27,049.95 × 11,218.50
  4. Step 4: Simplify right side
    19,603.62x = 303,459,864.08
  5. Step 5: Solve for x
    x = 303,459,864.08/19,603.62
  6. Step 6: Final answer
    x = 15,479.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.