Home / 18,317.09-25,278.09-10,360.53

Finding the Fourth Proportional to 18,317.09, 25,278.09 and 10,360.53

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Solution

The fourth proportional to 18,317.09, 25,278.09 and 10,360.53 is: 14,297.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,317.09 : 25,278.09 = 10,360.53 : x
  2. Step 2: Convert to fraction form
    18,317.09/25,278.09 = 10,360.53/x
  3. Step 3: Cross multiply
    18,317.09x = 25,278.09 × 10,360.53
  4. Step 4: Simplify right side
    18,317.09x = 261,894,409.79
  5. Step 5: Solve for x
    x = 261,894,409.79/18,317.09
  6. Step 6: Final answer
    x = 14,297.82

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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.