Home / 18,342.24-25,308.08-10,382.72

Finding the Fourth Proportional to 18,342.24, 25,308.08 and 10,382.72

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Solution

The fourth proportional to 18,342.24, 25,308.08 and 10,382.72 is: 14,325.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,342.24 : 25,308.08 = 10,382.72 : x
  2. Step 2: Convert to fraction form
    18,342.24/25,308.08 = 10,382.72/x
  3. Step 3: Cross multiply
    18,342.24x = 25,308.08 × 10,382.72
  4. Step 4: Simplify right side
    18,342.24x = 262,766,708.38
  5. Step 5: Solve for x
    x = 262,766,708.38/18,342.24
  6. Step 6: Final answer
    x = 14,325.77

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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.