Home / 21,244.14-29,317.75-11,812.50

Finding the Fourth Proportional to 21,244.14, 29,317.75 and 11,812.50

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Solution

The fourth proportional to 21,244.14, 29,317.75 and 11,812.50 is: 16,301.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,244.14 : 29,317.75 = 11,812.50 : x
  2. Step 2: Convert to fraction form
    21,244.14/29,317.75 = 11,812.50/x
  3. Step 3: Cross multiply
    21,244.14x = 29,317.75 × 11,812.50
  4. Step 4: Simplify right side
    21,244.14x = 346,315,892.34
  5. Step 5: Solve for x
    x = 346,315,892.34/21,244.14
  6. Step 6: Final answer
    x = 16,301.71

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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.