Home / 18,268.34-25,210.32-12,682.58

Finding the Fourth Proportional to 18,268.34, 25,210.32 and 12,682.58

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Solution

The fourth proportional to 18,268.34, 25,210.32 and 12,682.58 is: 17,501.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,268.34 : 25,210.32 = 12,682.58 : x
  2. Step 2: Convert to fraction form
    18,268.34/25,210.32 = 12,682.58/x
  3. Step 3: Cross multiply
    18,268.34x = 25,210.32 × 12,682.58
  4. Step 4: Simplify right side
    18,268.34x = 319,731,900.23
  5. Step 5: Solve for x
    x = 319,731,900.23/18,268.34
  6. Step 6: Final answer
    x = 17,501.97

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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.