Home / 18,858.67-26,029.64-10,905.50

Finding the Fourth Proportional to 18,858.67, 26,029.64 and 10,905.50

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Solution

The fourth proportional to 18,858.67, 26,029.64 and 10,905.50 is: 15,052.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,858.67 : 26,029.64 = 10,905.50 : x
  2. Step 2: Convert to fraction form
    18,858.67/26,029.64 = 10,905.50/x
  3. Step 3: Cross multiply
    18,858.67x = 26,029.64 × 10,905.50
  4. Step 4: Simplify right side
    18,858.67x = 283,866,239.02
  5. Step 5: Solve for x
    x = 283,866,239.02/18,858.67
  6. Step 6: Final answer
    x = 15,052.29

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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.