Home / 12,199.97-18,301.85-4,303.53

Finding the Fourth Proportional to 12,199.97, 18,301.85 and 4,303.53

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Solution

The fourth proportional to 12,199.97, 18,301.85 and 4,303.53 is: 6,455.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,199.97 : 18,301.85 = 4,303.53 : x
  2. Step 2: Convert to fraction form
    12,199.97/18,301.85 = 4,303.53/x
  3. Step 3: Cross multiply
    12,199.97x = 18,301.85 × 4,303.53
  4. Step 4: Simplify right side
    12,199.97x = 78,762,555.15
  5. Step 5: Solve for x
    x = 78,762,555.15/12,199.97
  6. Step 6: Final answer
    x = 6,455.96

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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.