Home / 20,210.66-30,316.10-7,053.80

Finding the Fourth Proportional to 20,210.66, 30,316.10 and 7,053.80

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Solution

The fourth proportional to 20,210.66, 30,316.10 and 7,053.80 is: 10,580.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,210.66 : 30,316.10 = 7,053.80 : x
  2. Step 2: Convert to fraction form
    20,210.66/30,316.10 = 7,053.80/x
  3. Step 3: Cross multiply
    20,210.66x = 30,316.10 × 7,053.80
  4. Step 4: Simplify right side
    20,210.66x = 213,843,519.33
  5. Step 5: Solve for x
    x = 213,843,519.33/20,210.66
  6. Step 6: Final answer
    x = 10,580.73

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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.