Home / 12,941.90-19,412.85-3,707.90

Finding the Fourth Proportional to 12,941.90, 19,412.85 and 3,707.90

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Solution

The fourth proportional to 12,941.90, 19,412.85 and 3,707.90 is: 5,561.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,941.90 : 19,412.85 = 3,707.90 : x
  2. Step 2: Convert to fraction form
    12,941.90/19,412.85 = 3,707.90/x
  3. Step 3: Cross multiply
    12,941.90x = 19,412.85 × 3,707.90
  4. Step 4: Simplify right side
    12,941.90x = 71,980,906.52
  5. Step 5: Solve for x
    x = 71,980,906.52/12,941.90
  6. Step 6: Final answer
    x = 5,561.85

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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.