Home / 12,941.20-19,415.23-4,176.35

Finding the Fourth Proportional to 12,941.20, 19,415.23 and 4,176.35

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Solution

The fourth proportional to 12,941.20, 19,415.23 and 4,176.35 is: 6,265.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,941.20 : 19,415.23 = 4,176.35 : x
  2. Step 2: Convert to fraction form
    12,941.20/19,415.23 = 4,176.35/x
  3. Step 3: Cross multiply
    12,941.20x = 19,415.23 × 4,176.35
  4. Step 4: Simplify right side
    12,941.20x = 81,084,795.81
  5. Step 5: Solve for x
    x = 81,084,795.81/12,941.20
  6. Step 6: Final answer
    x = 6,265.63

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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.