Home / 12,437.73-18,638.37-9,303.03

Finding the Fourth Proportional to 12,437.73, 18,638.37 and 9,303.03

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Solution

The fourth proportional to 12,437.73, 18,638.37 and 9,303.03 is: 13,940.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,437.73 : 18,638.37 = 9,303.03 : x
  2. Step 2: Convert to fraction form
    12,437.73/18,638.37 = 9,303.03/x
  3. Step 3: Cross multiply
    12,437.73x = 18,638.37 × 9,303.03
  4. Step 4: Simplify right side
    12,437.73x = 173,393,315.26
  5. Step 5: Solve for x
    x = 173,393,315.26/12,437.73
  6. Step 6: Final answer
    x = 13,940.91

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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.