Home / 30,853.88-46,250.10-12,398.84

Finding the Fourth Proportional to 30,853.88, 46,250.10 and 12,398.84

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Solution

The fourth proportional to 30,853.88, 46,250.10 and 12,398.84 is: 18,585.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,853.88 : 46,250.10 = 12,398.84 : x
  2. Step 2: Convert to fraction form
    30,853.88/46,250.10 = 12,398.84/x
  3. Step 3: Cross multiply
    30,853.88x = 46,250.10 × 12,398.84
  4. Step 4: Simplify right side
    30,853.88x = 573,447,589.88
  5. Step 5: Solve for x
    x = 573,447,589.88/30,853.88
  6. Step 6: Final answer
    x = 18,585.91

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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.