Home / 21,633.74-29,842.98-14,922.69

Finding the Fourth Proportional to 21,633.74, 29,842.98 and 14,922.69

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Solution

The fourth proportional to 21,633.74, 29,842.98 and 14,922.69 is: 20,585.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,633.74 : 29,842.98 = 14,922.69 : x
  2. Step 2: Convert to fraction form
    21,633.74/29,842.98 = 14,922.69/x
  3. Step 3: Cross multiply
    21,633.74x = 29,842.98 × 14,922.69
  4. Step 4: Simplify right side
    21,633.74x = 445,337,539.22
  5. Step 5: Solve for x
    x = 445,337,539.22/21,633.74
  6. Step 6: Final answer
    x = 20,585.32

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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.