Home / 18,289.70-27,434.55-6,603.30

Finding the Fourth Proportional to 18,289.70, 27,434.55 and 6,603.30

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Solution

The fourth proportional to 18,289.70, 27,434.55 and 6,603.30 is: 9,904.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,289.70 : 27,434.55 = 6,603.30 : x
  2. Step 2: Convert to fraction form
    18,289.70/27,434.55 = 6,603.30/x
  3. Step 3: Cross multiply
    18,289.70x = 27,434.55 × 6,603.30
  4. Step 4: Simplify right side
    18,289.70x = 181,158,564.02
  5. Step 5: Solve for x
    x = 181,158,564.02/18,289.70
  6. Step 6: Final answer
    x = 9,904.95

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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.