Home / 18,947.57-26,147.71-10,564.37

Finding the Fourth Proportional to 18,947.57, 26,147.71 and 10,564.37

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Solution

The fourth proportional to 18,947.57, 26,147.71 and 10,564.37 is: 14,578.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,947.57 : 26,147.71 = 10,564.37 : x
  2. Step 2: Convert to fraction form
    18,947.57/26,147.71 = 10,564.37/x
  3. Step 3: Cross multiply
    18,947.57x = 26,147.71 × 10,564.37
  4. Step 4: Simplify right side
    18,947.57x = 276,234,030.27
  5. Step 5: Solve for x
    x = 276,234,030.27/18,947.57
  6. Step 6: Final answer
    x = 14,578.86

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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.