Home / 12,534.19-18,800.93-4,214.68

Finding the Fourth Proportional to 12,534.19, 18,800.93 and 4,214.68

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Solution

The fourth proportional to 12,534.19, 18,800.93 and 4,214.68 is: 6,321.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,534.19 : 18,800.93 = 4,214.68 : x
  2. Step 2: Convert to fraction form
    12,534.19/18,800.93 = 4,214.68/x
  3. Step 3: Cross multiply
    12,534.19x = 18,800.93 × 4,214.68
  4. Step 4: Simplify right side
    12,534.19x = 79,239,788.57
  5. Step 5: Solve for x
    x = 79,239,788.57/12,534.19
  6. Step 6: Final answer
    x = 6,321.89

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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.