Home / 20,617.90-30,902.94-9,501.23

Finding the Fourth Proportional to 20,617.90, 30,902.94 and 9,501.23

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Solution

The fourth proportional to 20,617.90, 30,902.94 and 9,501.23 is: 14,240.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,617.90 : 30,902.94 = 9,501.23 : x
  2. Step 2: Convert to fraction form
    20,617.90/30,902.94 = 9,501.23/x
  3. Step 3: Cross multiply
    20,617.90x = 30,902.94 × 9,501.23
  4. Step 4: Simplify right side
    20,617.90x = 293,616,017.87
  5. Step 5: Solve for x
    x = 293,616,017.87/20,617.90
  6. Step 6: Final answer
    x = 14,240.83

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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.