Home / 12,941.10-19,411.65-3,705.90

Finding the Fourth Proportional to 12,941.10, 19,411.65 and 3,705.90

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Solution

The fourth proportional to 12,941.10, 19,411.65 and 3,705.90 is: 5,558.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,941.10 : 19,411.65 = 3,705.90 : x
  2. Step 2: Convert to fraction form
    12,941.10/19,411.65 = 3,705.90/x
  3. Step 3: Cross multiply
    12,941.10x = 19,411.65 × 3,705.90
  4. Step 4: Simplify right side
    12,941.10x = 71,937,633.74
  5. Step 5: Solve for x
    x = 71,937,633.74/12,941.10
  6. Step 6: Final answer
    x = 5,558.85

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Similar ratio
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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.