Home / 18,426.74-25,428.89-10,873.09

Finding the Fourth Proportional to 18,426.74, 25,428.89 and 10,873.09

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Solution

The fourth proportional to 18,426.74, 25,428.89 and 10,873.09 is: 15,004.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,426.74 : 25,428.89 = 10,873.09 : x
  2. Step 2: Convert to fraction form
    18,426.74/25,428.89 = 10,873.09/x
  3. Step 3: Cross multiply
    18,426.74x = 25,428.89 × 10,873.09
  4. Step 4: Simplify right side
    18,426.74x = 276,490,464.34
  5. Step 5: Solve for x
    x = 276,490,464.34/18,426.74
  6. Step 6: Final answer
    x = 15,004.85

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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.