Home / 14,512.93-21,769.88-5,153.68

Finding the Fourth Proportional to 14,512.93, 21,769.88 and 5,153.68

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Solution

The fourth proportional to 14,512.93, 21,769.88 and 5,153.68 is: 7,730.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,512.93 : 21,769.88 = 5,153.68 : x
  2. Step 2: Convert to fraction form
    14,512.93/21,769.88 = 5,153.68/x
  3. Step 3: Cross multiply
    14,512.93x = 21,769.88 × 5,153.68
  4. Step 4: Simplify right side
    14,512.93x = 112,194,903.14
  5. Step 5: Solve for x
    x = 112,194,903.14/14,512.93
  6. Step 6: Final answer
    x = 7,730.69

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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.