Home / 18,313.38-25,268.22-12,653.10

Finding the Fourth Proportional to 18,313.38, 25,268.22 and 12,653.10

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Solution

The fourth proportional to 18,313.38, 25,268.22 and 12,653.10 is: 17,458.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,313.38 : 25,268.22 = 12,653.10 : x
  2. Step 2: Convert to fraction form
    18,313.38/25,268.22 = 12,653.10/x
  3. Step 3: Cross multiply
    18,313.38x = 25,268.22 × 12,653.10
  4. Step 4: Simplify right side
    18,313.38x = 319,721,314.48
  5. Step 5: Solve for x
    x = 319,721,314.48/18,313.38
  6. Step 6: Final answer
    x = 17,458.35

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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.