Home / 14,690.66-21,992.24-14,165.78

Finding the Fourth Proportional to 14,690.66, 21,992.24 and 14,165.78

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Solution

The fourth proportional to 14,690.66, 21,992.24 and 14,165.78 is: 21,206.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,690.66 : 21,992.24 = 14,165.78 : x
  2. Step 2: Convert to fraction form
    14,690.66/21,992.24 = 14,165.78/x
  3. Step 3: Cross multiply
    14,690.66x = 21,992.24 × 14,165.78
  4. Step 4: Simplify right side
    14,690.66x = 311,537,233.55
  5. Step 5: Solve for x
    x = 311,537,233.55/14,690.66
  6. Step 6: Final answer
    x = 21,206.48

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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.