Home / 43,495.14-65,253.63-12,330.39

Finding the Fourth Proportional to 43,495.14, 65,253.63 and 12,330.39

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Solution

The fourth proportional to 43,495.14, 65,253.63 and 12,330.39 is: 18,498.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,495.14 : 65,253.63 = 12,330.39 : x
  2. Step 2: Convert to fraction form
    43,495.14/65,253.63 = 12,330.39/x
  3. Step 3: Cross multiply
    43,495.14x = 65,253.63 × 12,330.39
  4. Step 4: Simplify right side
    43,495.14x = 804,602,706.82
  5. Step 5: Solve for x
    x = 804,602,706.82/43,495.14
  6. Step 6: Final answer
    x = 18,498.68

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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.