Home / 12,943.55-19,411.11-4,176.42

Finding the Fourth Proportional to 12,943.55, 19,411.11 and 4,176.42

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Solution

The fourth proportional to 12,943.55, 19,411.11 and 4,176.42 is: 6,263.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,943.55 : 19,411.11 = 4,176.42 : x
  2. Step 2: Convert to fraction form
    12,943.55/19,411.11 = 4,176.42/x
  3. Step 3: Cross multiply
    12,943.55x = 19,411.11 × 4,176.42
  4. Step 4: Simplify right side
    12,943.55x = 81,068,948.03
  5. Step 5: Solve for x
    x = 81,068,948.03/12,943.55
  6. Step 6: Final answer
    x = 6,263.27

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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.