Home / 20,069.10-30,103.65-10,227.60

Finding the Fourth Proportional to 20,069.10, 30,103.65 and 10,227.60

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Solution

The fourth proportional to 20,069.10, 30,103.65 and 10,227.60 is: 15,341.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,069.10 : 30,103.65 = 10,227.60 : x
  2. Step 2: Convert to fraction form
    20,069.10/30,103.65 = 10,227.60/x
  3. Step 3: Cross multiply
    20,069.10x = 30,103.65 × 10,227.60
  4. Step 4: Simplify right side
    20,069.10x = 307,888,090.74
  5. Step 5: Solve for x
    x = 307,888,090.74/20,069.10
  6. Step 6: Final answer
    x = 15,341.40

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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.