Home / 18,947.25-26,147.75-10,564.29

Finding the Fourth Proportional to 18,947.25, 26,147.75 and 10,564.29

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Solution

The fourth proportional to 18,947.25, 26,147.75 and 10,564.29 is: 14,579.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,947.25 : 26,147.75 = 10,564.29 : x
  2. Step 2: Convert to fraction form
    18,947.25/26,147.75 = 10,564.29/x
  3. Step 3: Cross multiply
    18,947.25x = 26,147.75 × 10,564.29
  4. Step 4: Simplify right side
    18,947.25x = 276,232,361.03
  5. Step 5: Solve for x
    x = 276,232,361.03/18,947.25
  6. Step 6: Final answer
    x = 14,579.02

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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.