Home / 20,402.96-30,603.83-7,246.13

Finding the Fourth Proportional to 20,402.96, 30,603.83 and 7,246.13

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Solution

The fourth proportional to 20,402.96, 30,603.83 and 7,246.13 is: 10,868.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,402.96 : 30,603.83 = 7,246.13 : x
  2. Step 2: Convert to fraction form
    20,402.96/30,603.83 = 7,246.13/x
  3. Step 3: Cross multiply
    20,402.96x = 30,603.83 × 7,246.13
  4. Step 4: Simplify right side
    20,402.96x = 221,759,141.43
  5. Step 5: Solve for x
    x = 221,759,141.43/20,402.96
  6. Step 6: Final answer
    x = 10,868.97

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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.