Home / 18,419.34-25,418.88-10,035.84

Finding the Fourth Proportional to 18,419.34, 25,418.88 and 10,035.84

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Solution

The fourth proportional to 18,419.34, 25,418.88 and 10,035.84 is: 13,849.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,419.34 : 25,418.88 = 10,035.84 : x
  2. Step 2: Convert to fraction form
    18,419.34/25,418.88 = 10,035.84/x
  3. Step 3: Cross multiply
    18,419.34x = 25,418.88 × 10,035.84
  4. Step 4: Simplify right side
    18,419.34x = 255,099,812.66
  5. Step 5: Solve for x
    x = 255,099,812.66/18,419.34
  6. Step 6: Final answer
    x = 13,849.56

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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.