Home / 20,230.83-30,341.37-10,365.03

Finding the Fourth Proportional to 20,230.83, 30,341.37 and 10,365.03

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Solution

The fourth proportional to 20,230.83, 30,341.37 and 10,365.03 is: 15,545.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,230.83 : 30,341.37 = 10,365.03 : x
  2. Step 2: Convert to fraction form
    20,230.83/30,341.37 = 10,365.03/x
  3. Step 3: Cross multiply
    20,230.83x = 30,341.37 × 10,365.03
  4. Step 4: Simplify right side
    20,230.83x = 314,489,210.29
  5. Step 5: Solve for x
    x = 314,489,210.29/20,230.83
  6. Step 6: Final answer
    x = 15,545.05

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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.