Home / 20,346.86-30,518.55-6,306.57

Finding the Fourth Proportional to 20,346.86, 30,518.55 and 6,306.57

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Solution

The fourth proportional to 20,346.86, 30,518.55 and 6,306.57 is: 9,459.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,346.86 : 30,518.55 = 6,306.57 : x
  2. Step 2: Convert to fraction form
    20,346.86/30,518.55 = 6,306.57/x
  3. Step 3: Cross multiply
    20,346.86x = 30,518.55 × 6,306.57
  4. Step 4: Simplify right side
    20,346.86x = 192,467,371.87
  5. Step 5: Solve for x
    x = 192,467,371.87/20,346.86
  6. Step 6: Final answer
    x = 9,459.32

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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.