Home / 17,638.08-26,438.72-5,947.28

Finding the Fourth Proportional to 17,638.08, 26,438.72 and 5,947.28

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Solution

The fourth proportional to 17,638.08, 26,438.72 and 5,947.28 is: 8,914.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,638.08 : 26,438.72 = 5,947.28 : x
  2. Step 2: Convert to fraction form
    17,638.08/26,438.72 = 5,947.28/x
  3. Step 3: Cross multiply
    17,638.08x = 26,438.72 × 5,947.28
  4. Step 4: Simplify right side
    17,638.08x = 157,238,470.68
  5. Step 5: Solve for x
    x = 157,238,470.68/17,638.08
  6. Step 6: Final answer
    x = 8,914.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.