Home / 30,815.56-46,230.26-9,756.86

Finding the Fourth Proportional to 30,815.56, 46,230.26 and 9,756.86

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Solution

The fourth proportional to 30,815.56, 46,230.26 and 9,756.86 is: 14,637.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,815.56 : 46,230.26 = 9,756.86 : x
  2. Step 2: Convert to fraction form
    30,815.56/46,230.26 = 9,756.86/x
  3. Step 3: Cross multiply
    30,815.56x = 46,230.26 × 9,756.86
  4. Step 4: Simplify right side
    30,815.56x = 451,062,154.69
  5. Step 5: Solve for x
    x = 451,062,154.69/30,815.56
  6. Step 6: Final answer
    x = 14,637.48

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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.