Home / 18,352.54-25,314.64-12,607.26

Finding the Fourth Proportional to 18,352.54, 25,314.64 and 12,607.26

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Solution

The fourth proportional to 18,352.54, 25,314.64 and 12,607.26 is: 17,389.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,352.54 : 25,314.64 = 12,607.26 : x
  2. Step 2: Convert to fraction form
    18,352.54/25,314.64 = 12,607.26/x
  3. Step 3: Cross multiply
    18,352.54x = 25,314.64 × 12,607.26
  4. Step 4: Simplify right side
    18,352.54x = 319,148,121.84
  5. Step 5: Solve for x
    x = 319,148,121.84/18,352.54
  6. Step 6: Final answer
    x = 17,389.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.