Home / 12,537.17-18,795.49-6,289.64

Finding the Fourth Proportional to 12,537.17, 18,795.49 and 6,289.64

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Solution

The fourth proportional to 12,537.17, 18,795.49 and 6,289.64 is: 9,429.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,537.17 : 18,795.49 = 6,289.64 : x
  2. Step 2: Convert to fraction form
    12,537.17/18,795.49 = 6,289.64/x
  3. Step 3: Cross multiply
    12,537.17x = 18,795.49 × 6,289.64
  4. Step 4: Simplify right side
    12,537.17x = 118,216,756.02
  5. Step 5: Solve for x
    x = 118,216,756.02/12,537.17
  6. Step 6: Final answer
    x = 9,429.31

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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.