Home / 26,214.18-39,321.27-12,372.90

Finding the Fourth Proportional to 26,214.18, 39,321.27 and 12,372.90

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Solution

The fourth proportional to 26,214.18, 39,321.27 and 12,372.90 is: 18,559.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,214.18 : 39,321.27 = 12,372.90 : x
  2. Step 2: Convert to fraction form
    26,214.18/39,321.27 = 12,372.90/x
  3. Step 3: Cross multiply
    26,214.18x = 39,321.27 × 12,372.90
  4. Step 4: Simplify right side
    26,214.18x = 486,518,141.58
  5. Step 5: Solve for x
    x = 486,518,141.58/26,214.18
  6. Step 6: Final answer
    x = 18,559.35

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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.