Home / 12,941.42-19,411.98-9,126.36

Finding the Fourth Proportional to 12,941.42, 19,411.98 and 9,126.36

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Solution

The fourth proportional to 12,941.42, 19,411.98 and 9,126.36 is: 13,689.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,941.42 : 19,411.98 = 9,126.36 : x
  2. Step 2: Convert to fraction form
    12,941.42/19,411.98 = 9,126.36/x
  3. Step 3: Cross multiply
    12,941.42x = 19,411.98 × 9,126.36
  4. Step 4: Simplify right side
    12,941.42x = 177,160,717.79
  5. Step 5: Solve for x
    x = 177,160,717.79/12,941.42
  6. Step 6: Final answer
    x = 13,689.43

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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.