Home / 20,210.24-30,259.46-10,328.24

Finding the Fourth Proportional to 20,210.24, 30,259.46 and 10,328.24

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Solution

The fourth proportional to 20,210.24, 30,259.46 and 10,328.24 is: 15,463.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,210.24 : 30,259.46 = 10,328.24 : x
  2. Step 2: Convert to fraction form
    20,210.24/30,259.46 = 10,328.24/x
  3. Step 3: Cross multiply
    20,210.24x = 30,259.46 × 10,328.24
  4. Step 4: Simplify right side
    20,210.24x = 312,526,965.15
  5. Step 5: Solve for x
    x = 312,526,965.15/20,210.24
  6. Step 6: Final answer
    x = 15,463.79

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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.