Home / 18,848.97-26,016.26-10,890.05

Finding the Fourth Proportional to 18,848.97, 26,016.26 and 10,890.05

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Solution

The fourth proportional to 18,848.97, 26,016.26 and 10,890.05 is: 15,030.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,848.97 : 26,016.26 = 10,890.05 : x
  2. Step 2: Convert to fraction form
    18,848.97/26,016.26 = 10,890.05/x
  3. Step 3: Cross multiply
    18,848.97x = 26,016.26 × 10,890.05
  4. Step 4: Simplify right side
    18,848.97x = 283,318,187.68
  5. Step 5: Solve for x
    x = 283,318,187.68/18,848.97
  6. Step 6: Final answer
    x = 15,030.96

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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.