Home / 15,744.63-21,724.83-9,457.14

Finding the Fourth Proportional to 15,744.63, 21,724.83 and 9,457.14

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Solution

The fourth proportional to 15,744.63, 21,724.83 and 9,457.14 is: 13,049.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,744.63 : 21,724.83 = 9,457.14 : x
  2. Step 2: Convert to fraction form
    15,744.63/21,724.83 = 9,457.14/x
  3. Step 3: Cross multiply
    15,744.63x = 21,724.83 × 9,457.14
  4. Step 4: Simplify right side
    15,744.63x = 205,454,758.79
  5. Step 5: Solve for x
    x = 205,454,758.79/15,744.63
  6. Step 6: Final answer
    x = 13,049.20

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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.