Home / 14,690.25-20,257.74-13,070.12

Finding the Fourth Proportional to 14,690.25, 20,257.74 and 13,070.12

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Solution

The fourth proportional to 14,690.25, 20,257.74 and 13,070.12 is: 18,023.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,690.25 : 20,257.74 = 13,070.12 : x
  2. Step 2: Convert to fraction form
    14,690.25/20,257.74 = 13,070.12/x
  3. Step 3: Cross multiply
    14,690.25x = 20,257.74 × 13,070.12
  4. Step 4: Simplify right side
    14,690.25x = 264,770,991.44
  5. Step 5: Solve for x
    x = 264,770,991.44/14,690.25
  6. Step 6: Final answer
    x = 18,023.59

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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.