Home / 14,965.72-22,448.79-7,172.71

Finding the Fourth Proportional to 14,965.72, 22,448.79 and 7,172.71

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Solution

The fourth proportional to 14,965.72, 22,448.79 and 7,172.71 is: 10,759.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,965.72 : 22,448.79 = 7,172.71 : x
  2. Step 2: Convert to fraction form
    14,965.72/22,448.79 = 7,172.71/x
  3. Step 3: Cross multiply
    14,965.72x = 22,448.79 × 7,172.71
  4. Step 4: Simplify right side
    14,965.72x = 161,018,604.40
  5. Step 5: Solve for x
    x = 161,018,604.40/14,965.72
  6. Step 6: Final answer
    x = 10,759.16

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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.