Home / 14,491.64-21,740.28-5,130.62

Finding the Fourth Proportional to 14,491.64, 21,740.28 and 5,130.62

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Solution

The fourth proportional to 14,491.64, 21,740.28 and 5,130.62 is: 7,696.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,491.64 : 21,740.28 = 5,130.62 : x
  2. Step 2: Convert to fraction form
    14,491.64/21,740.28 = 5,130.62/x
  3. Step 3: Cross multiply
    14,491.64x = 21,740.28 × 5,130.62
  4. Step 4: Simplify right side
    14,491.64x = 111,541,115.37
  5. Step 5: Solve for x
    x = 111,541,115.37/14,491.64
  6. Step 6: Final answer
    x = 7,696.93

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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.