Home / 14,912.04-20,578.18-8,197.66

Finding the Fourth Proportional to 14,912.04, 20,578.18 and 8,197.66

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Solution

The fourth proportional to 14,912.04, 20,578.18 and 8,197.66 is: 11,312.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,912.04 : 20,578.18 = 8,197.66 : x
  2. Step 2: Convert to fraction form
    14,912.04/20,578.18 = 8,197.66/x
  3. Step 3: Cross multiply
    14,912.04x = 20,578.18 × 8,197.66
  4. Step 4: Simplify right side
    14,912.04x = 168,692,923.06
  5. Step 5: Solve for x
    x = 168,692,923.06/14,912.04
  6. Step 6: Final answer
    x = 11,312.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.