Home / 12,875.42-19,314.94-4,107.36

Finding the Fourth Proportional to 12,875.42, 19,314.94 and 4,107.36

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Solution

The fourth proportional to 12,875.42, 19,314.94 and 4,107.36 is: 6,161.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,875.42 : 19,314.94 = 4,107.36 : x
  2. Step 2: Convert to fraction form
    12,875.42/19,314.94 = 4,107.36/x
  3. Step 3: Cross multiply
    12,875.42x = 19,314.94 × 4,107.36
  4. Step 4: Simplify right side
    12,875.42x = 79,333,411.96
  5. Step 5: Solve for x
    x = 79,333,411.96/12,875.42
  6. Step 6: Final answer
    x = 6,161.62

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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.