Home / 18,637.50-25,721.46-10,255.62

Finding the Fourth Proportional to 18,637.50, 25,721.46 and 10,255.62

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Solution

The fourth proportional to 18,637.50, 25,721.46 and 10,255.62 is: 14,153.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,637.50 : 25,721.46 = 10,255.62 : x
  2. Step 2: Convert to fraction form
    18,637.50/25,721.46 = 10,255.62/x
  3. Step 3: Cross multiply
    18,637.50x = 25,721.46 × 10,255.62
  4. Step 4: Simplify right side
    18,637.50x = 263,789,519.61
  5. Step 5: Solve for x
    x = 263,789,519.61/18,637.50
  6. Step 6: Final answer
    x = 14,153.70

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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.