Home / 18,317.99-25,279.40-10,360.06

Finding the Fourth Proportional to 18,317.99, 25,279.40 and 10,360.06

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Solution

The fourth proportional to 18,317.99, 25,279.40 and 10,360.06 is: 14,297.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,317.99 : 25,279.40 = 10,360.06 : x
  2. Step 2: Convert to fraction form
    18,317.99/25,279.40 = 10,360.06/x
  3. Step 3: Cross multiply
    18,317.99x = 25,279.40 × 10,360.06
  4. Step 4: Simplify right side
    18,317.99x = 261,896,063.47
  5. Step 5: Solve for x
    x = 261,896,063.47/18,317.99
  6. Step 6: Final answer
    x = 14,297.20

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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.