Home / 18,603.07-27,904.23-5,455.15

Finding the Fourth Proportional to 18,603.07, 27,904.23 and 5,455.15

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Solution

The fourth proportional to 18,603.07, 27,904.23 and 5,455.15 is: 8,182.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,603.07 : 27,904.23 = 5,455.15 : x
  2. Step 2: Convert to fraction form
    18,603.07/27,904.23 = 5,455.15/x
  3. Step 3: Cross multiply
    18,603.07x = 27,904.23 × 5,455.15
  4. Step 4: Simplify right side
    18,603.07x = 152,221,760.28
  5. Step 5: Solve for x
    x = 152,221,760.28/18,603.07
  6. Step 6: Final answer
    x = 8,182.62

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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.