Home / 17,638.95-26,458.43-13,746.27

Finding the Fourth Proportional to 17,638.95, 26,458.43 and 13,746.27

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Solution

The fourth proportional to 17,638.95, 26,458.43 and 13,746.27 is: 20,619.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,638.95 : 26,458.43 = 13,746.27 : x
  2. Step 2: Convert to fraction form
    17,638.95/26,458.43 = 13,746.27/x
  3. Step 3: Cross multiply
    17,638.95x = 26,458.43 × 13,746.27
  4. Step 4: Simplify right side
    17,638.95x = 363,704,653.82
  5. Step 5: Solve for x
    x = 363,704,653.82/17,638.95
  6. Step 6: Final answer
    x = 20,619.41

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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.