Home / 14,640.66-21,954.69-4,643.10

Finding the Fourth Proportional to 14,640.66, 21,954.69 and 4,643.10

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Solution

The fourth proportional to 14,640.66, 21,954.69 and 4,643.10 is: 6,962.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,640.66 : 21,954.69 = 4,643.10 : x
  2. Step 2: Convert to fraction form
    14,640.66/21,954.69 = 4,643.10/x
  3. Step 3: Cross multiply
    14,640.66x = 21,954.69 × 4,643.10
  4. Step 4: Simplify right side
    14,640.66x = 101,937,821.14
  5. Step 5: Solve for x
    x = 101,937,821.14/14,640.66
  6. Step 6: Final answer
    x = 6,962.65

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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.