Home / 18,339.93-25,309.71-10,381.99

Finding the Fourth Proportional to 18,339.93, 25,309.71 and 10,381.99

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Solution

The fourth proportional to 18,339.93, 25,309.71 and 10,381.99 is: 14,327.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,339.93 : 25,309.71 = 10,381.99 : x
  2. Step 2: Convert to fraction form
    18,339.93/25,309.71 = 10,381.99/x
  3. Step 3: Cross multiply
    18,339.93x = 25,309.71 × 10,381.99
  4. Step 4: Simplify right side
    18,339.93x = 262,765,156.12
  5. Step 5: Solve for x
    x = 262,765,156.12/18,339.93
  6. Step 6: Final answer
    x = 14,327.49

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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.