Home / 18,950.26-26,140.86-13,293.43

Finding the Fourth Proportional to 18,950.26, 26,140.86 and 13,293.43

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Solution

The fourth proportional to 18,950.26, 26,140.86 and 13,293.43 is: 18,337.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,950.26 : 26,140.86 = 13,293.43 : x
  2. Step 2: Convert to fraction form
    18,950.26/26,140.86 = 13,293.43/x
  3. Step 3: Cross multiply
    18,950.26x = 26,140.86 × 13,293.43
  4. Step 4: Simplify right side
    18,950.26x = 347,501,692.55
  5. Step 5: Solve for x
    x = 347,501,692.55/18,950.26
  6. Step 6: Final answer
    x = 18,337.57

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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.