Home / 12,154.15-18,223.12-4,361.95

Finding the Fourth Proportional to 12,154.15, 18,223.12 and 4,361.95

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Solution

The fourth proportional to 12,154.15, 18,223.12 and 4,361.95 is: 6,540.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,154.15 : 18,223.12 = 4,361.95 : x
  2. Step 2: Convert to fraction form
    12,154.15/18,223.12 = 4,361.95/x
  3. Step 3: Cross multiply
    12,154.15x = 18,223.12 × 4,361.95
  4. Step 4: Simplify right side
    12,154.15x = 79,488,225.36
  5. Step 5: Solve for x
    x = 79,488,225.36/12,154.15
  6. Step 6: Final answer
    x = 6,540.01

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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.