Home / 18,339.59-25,309.23-10,381.65

Finding the Fourth Proportional to 18,339.59, 25,309.23 and 10,381.65

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Solution

The fourth proportional to 18,339.59, 25,309.23 and 10,381.65 is: 14,327.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,339.59 : 25,309.23 = 10,381.65 : x
  2. Step 2: Convert to fraction form
    18,339.59/25,309.23 = 10,381.65/x
  3. Step 3: Cross multiply
    18,339.59x = 25,309.23 × 10,381.65
  4. Step 4: Simplify right side
    18,339.59x = 262,751,567.63
  5. Step 5: Solve for x
    x = 262,751,567.63/18,339.59
  6. Step 6: Final answer
    x = 14,327.02

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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.