Home / 18,998.40-26,226.72-14,165.22

Finding the Fourth Proportional to 18,998.40, 26,226.72 and 14,165.22

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Solution

The fourth proportional to 18,998.40, 26,226.72 and 14,165.22 is: 19,554.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,998.40 : 26,226.72 = 14,165.22 : x
  2. Step 2: Convert to fraction form
    18,998.40/26,226.72 = 14,165.22/x
  3. Step 3: Cross multiply
    18,998.40x = 26,226.72 × 14,165.22
  4. Step 4: Simplify right side
    18,998.40x = 371,507,258.68
  5. Step 5: Solve for x
    x = 371,507,258.68/18,998.40
  6. Step 6: Final answer
    x = 19,554.66

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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.