Home / 20,346.04-30,464.38-12,910.24

Finding the Fourth Proportional to 20,346.04, 30,464.38 and 12,910.24

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Solution

The fourth proportional to 20,346.04, 30,464.38 and 12,910.24 is: 19,330.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,346.04 : 30,464.38 = 12,910.24 : x
  2. Step 2: Convert to fraction form
    20,346.04/30,464.38 = 12,910.24/x
  3. Step 3: Cross multiply
    20,346.04x = 30,464.38 × 12,910.24
  4. Step 4: Simplify right side
    20,346.04x = 393,302,348.81
  5. Step 5: Solve for x
    x = 393,302,348.81/20,346.04
  6. Step 6: Final answer
    x = 19,330.66

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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.