Home / 18,690.44-25,792.72-10,306.94

Finding the Fourth Proportional to 18,690.44, 25,792.72 and 10,306.94

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Solution

The fourth proportional to 18,690.44, 25,792.72 and 10,306.94 is: 14,223.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,690.44 : 25,792.72 = 10,306.94 : x
  2. Step 2: Convert to fraction form
    18,690.44/25,792.72 = 10,306.94/x
  3. Step 3: Cross multiply
    18,690.44x = 25,792.72 × 10,306.94
  4. Step 4: Simplify right side
    18,690.44x = 265,843,869.22
  5. Step 5: Solve for x
    x = 265,843,869.22/18,690.44
  6. Step 6: Final answer
    x = 14,223.52

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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.