Home / 18,245.74-25,179.40-10,690.26

Finding the Fourth Proportional to 18,245.74, 25,179.40 and 10,690.26

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Solution

The fourth proportional to 18,245.74, 25,179.40 and 10,690.26 is: 14,752.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,245.74 : 25,179.40 = 10,690.26 : x
  2. Step 2: Convert to fraction form
    18,245.74/25,179.40 = 10,690.26/x
  3. Step 3: Cross multiply
    18,245.74x = 25,179.40 × 10,690.26
  4. Step 4: Simplify right side
    18,245.74x = 269,174,279.19
  5. Step 5: Solve for x
    x = 269,174,279.19/18,245.74
  6. Step 6: Final answer
    x = 14,752.72

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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.