Home / 30,858.46-46,278.10-11,134.45

Finding the Fourth Proportional to 30,858.46, 46,278.10 and 11,134.45

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Solution

The fourth proportional to 30,858.46, 46,278.10 and 11,134.45 is: 16,698.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,858.46 : 46,278.10 = 11,134.45 : x
  2. Step 2: Convert to fraction form
    30,858.46/46,278.10 = 11,134.45/x
  3. Step 3: Cross multiply
    30,858.46x = 46,278.10 × 11,134.45
  4. Step 4: Simplify right side
    30,858.46x = 515,281,190.55
  5. Step 5: Solve for x
    x = 515,281,190.55/30,858.46
  6. Step 6: Final answer
    x = 16,698.21

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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.