Home / 18,659.72-25,730.66-14,411.46

Finding the Fourth Proportional to 18,659.72, 25,730.66 and 14,411.46

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Solution

The fourth proportional to 18,659.72, 25,730.66 and 14,411.46 is: 19,872.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,659.72 : 25,730.66 = 14,411.46 : x
  2. Step 2: Convert to fraction form
    18,659.72/25,730.66 = 14,411.46/x
  3. Step 3: Cross multiply
    18,659.72x = 25,730.66 × 14,411.46
  4. Step 4: Simplify right side
    18,659.72x = 370,816,377.36
  5. Step 5: Solve for x
    x = 370,816,377.36/18,659.72
  6. Step 6: Final answer
    x = 19,872.56

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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.