Home / 14,635.70-21,955.68-4,772.55

Finding the Fourth Proportional to 14,635.70, 21,955.68 and 4,772.55

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Solution

The fourth proportional to 14,635.70, 21,955.68 and 4,772.55 is: 7,159.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,635.70 : 21,955.68 = 4,772.55 : x
  2. Step 2: Convert to fraction form
    14,635.70/21,955.68 = 4,772.55/x
  3. Step 3: Cross multiply
    14,635.70x = 21,955.68 × 4,772.55
  4. Step 4: Simplify right side
    14,635.70x = 104,784,580.58
  5. Step 5: Solve for x
    x = 104,784,580.58/14,635.70
  6. Step 6: Final answer
    x = 7,159.52

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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.