Home / 18,664.16-25,757.14-10,166.54

Finding the Fourth Proportional to 18,664.16, 25,757.14 and 10,166.54

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Solution

The fourth proportional to 18,664.16, 25,757.14 and 10,166.54 is: 14,030.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,664.16 : 25,757.14 = 10,166.54 : x
  2. Step 2: Convert to fraction form
    18,664.16/25,757.14 = 10,166.54/x
  3. Step 3: Cross multiply
    18,664.16x = 25,757.14 × 10,166.54
  4. Step 4: Simplify right side
    18,664.16x = 261,860,994.10
  5. Step 5: Solve for x
    x = 261,860,994.10/18,664.16
  6. Step 6: Final answer
    x = 14,030.15

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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.