Home / 12,237.90-18,357.56-3,472.13

Finding the Fourth Proportional to 12,237.90, 18,357.56 and 3,472.13

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Solution

The fourth proportional to 12,237.90, 18,357.56 and 3,472.13 is: 5,208.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,237.90 : 18,357.56 = 3,472.13 : x
  2. Step 2: Convert to fraction form
    12,237.90/18,357.56 = 3,472.13/x
  3. Step 3: Cross multiply
    12,237.90x = 18,357.56 × 3,472.13
  4. Step 4: Simplify right side
    12,237.90x = 63,739,725.65
  5. Step 5: Solve for x
    x = 63,739,725.65/12,237.90
  6. Step 6: Final answer
    x = 5,208.39

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1.5x scale

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.