Home / 21,246.14-29,320.44-11,814.50

Finding the Fourth Proportional to 21,246.14, 29,320.44 and 11,814.50

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Solution

The fourth proportional to 21,246.14, 29,320.44 and 11,814.50 is: 16,304.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,246.14 : 29,320.44 = 11,814.50 : x
  2. Step 2: Convert to fraction form
    21,246.14/29,320.44 = 11,814.50/x
  3. Step 3: Cross multiply
    21,246.14x = 29,320.44 × 11,814.50
  4. Step 4: Simplify right side
    21,246.14x = 346,406,338.38
  5. Step 5: Solve for x
    x = 346,406,338.38/21,246.14
  6. Step 6: Final answer
    x = 16,304.44

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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.