Home / 18,442.56-27,641.52-13,237.68

Finding the Fourth Proportional to 18,442.56, 27,641.52 and 13,237.68

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Solution

The fourth proportional to 18,442.56, 27,641.52 and 13,237.68 is: 19,840.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,442.56 : 27,641.52 = 13,237.68 : x
  2. Step 2: Convert to fraction form
    18,442.56/27,641.52 = 13,237.68/x
  3. Step 3: Cross multiply
    18,442.56x = 27,641.52 × 13,237.68
  4. Step 4: Simplify right side
    18,442.56x = 365,909,596.47
  5. Step 5: Solve for x
    x = 365,909,596.47/18,442.56
  6. Step 6: Final answer
    x = 19,840.50

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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.