Home / 12,624.20-18,937.20-3,859.10

Finding the Fourth Proportional to 12,624.20, 18,937.20 and 3,859.10

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Solution

The fourth proportional to 12,624.20, 18,937.20 and 3,859.10 is: 5,788.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,624.20 : 18,937.20 = 3,859.10 : x
  2. Step 2: Convert to fraction form
    12,624.20/18,937.20 = 3,859.10/x
  3. Step 3: Cross multiply
    12,624.20x = 18,937.20 × 3,859.10
  4. Step 4: Simplify right side
    12,624.20x = 73,080,548.52
  5. Step 5: Solve for x
    x = 73,080,548.52/12,624.20
  6. Step 6: Final answer
    x = 5,788.93

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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.