Home / 14,143.08-19,517.94-7,856.04

Finding the Fourth Proportional to 14,143.08, 19,517.94 and 7,856.04

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Solution

The fourth proportional to 14,143.08, 19,517.94 and 7,856.04 is: 10,841.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,143.08 : 19,517.94 = 7,856.04 : x
  2. Step 2: Convert to fraction form
    14,143.08/19,517.94 = 7,856.04/x
  3. Step 3: Cross multiply
    14,143.08x = 19,517.94 × 7,856.04
  4. Step 4: Simplify right side
    14,143.08x = 153,333,717.36
  5. Step 5: Solve for x
    x = 153,333,717.36/14,143.08
  6. Step 6: Final answer
    x = 10,841.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.