Home / 20,328.57-30,496.10-6,288.03

Finding the Fourth Proportional to 20,328.57, 30,496.10 and 6,288.03

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Solution

The fourth proportional to 20,328.57, 30,496.10 and 6,288.03 is: 9,433.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,328.57 : 30,496.10 = 6,288.03 : x
  2. Step 2: Convert to fraction form
    20,328.57/30,496.10 = 6,288.03/x
  3. Step 3: Cross multiply
    20,328.57x = 30,496.10 × 6,288.03
  4. Step 4: Simplify right side
    20,328.57x = 191,760,360.24
  5. Step 5: Solve for x
    x = 191,760,360.24/20,328.57
  6. Step 6: Final answer
    x = 9,433.05

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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.