Home / 18,339.21-25,308.25-10,382.99

Finding the Fourth Proportional to 18,339.21, 25,308.25 and 10,382.99

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Solution

The fourth proportional to 18,339.21, 25,308.25 and 10,382.99 is: 14,328.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,339.21 : 25,308.25 = 10,382.99 : x
  2. Step 2: Convert to fraction form
    18,339.21/25,308.25 = 10,382.99/x
  3. Step 3: Cross multiply
    18,339.21x = 25,308.25 × 10,382.99
  4. Step 4: Simplify right side
    18,339.21x = 262,775,154.17
  5. Step 5: Solve for x
    x = 262,775,154.17/18,339.21
  6. Step 6: Final answer
    x = 14,328.60

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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.