Home / 30,304.85-45,464.17-9,246.78

Finding the Fourth Proportional to 30,304.85, 45,464.17 and 9,246.78

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Solution

The fourth proportional to 30,304.85, 45,464.17 and 9,246.78 is: 13,872.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,304.85 : 45,464.17 = 9,246.78 : x
  2. Step 2: Convert to fraction form
    30,304.85/45,464.17 = 9,246.78/x
  3. Step 3: Cross multiply
    30,304.85x = 45,464.17 × 9,246.78
  4. Step 4: Simplify right side
    30,304.85x = 420,397,154.76
  5. Step 5: Solve for x
    x = 420,397,154.76/30,304.85
  6. Step 6: Final answer
    x = 13,872.27

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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.