Home / 14,653.66-21,917.69-13,590.06

Finding the Fourth Proportional to 14,653.66, 21,917.69 and 13,590.06

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Solution

The fourth proportional to 14,653.66, 21,917.69 and 13,590.06 is: 20,326.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,653.66 : 21,917.69 = 13,590.06 : x
  2. Step 2: Convert to fraction form
    14,653.66/21,917.69 = 13,590.06/x
  3. Step 3: Cross multiply
    14,653.66x = 21,917.69 × 13,590.06
  4. Step 4: Simplify right side
    14,653.66x = 297,862,654.21
  5. Step 5: Solve for x
    x = 297,862,654.21/14,653.66
  6. Step 6: Final answer
    x = 20,326.85

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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.