Home / 18,419.09-25,418.34-10,035.59

Finding the Fourth Proportional to 18,419.09, 25,418.34 and 10,035.59

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Solution

The fourth proportional to 18,419.09, 25,418.34 and 10,035.59 is: 13,849.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,419.09 : 25,418.34 = 10,035.59 : x
  2. Step 2: Convert to fraction form
    18,419.09/25,418.34 = 10,035.59/x
  3. Step 3: Cross multiply
    18,419.09x = 25,418.34 × 10,035.59
  4. Step 4: Simplify right side
    18,419.09x = 255,087,911.63
  5. Step 5: Solve for x
    x = 255,087,911.63/18,419.09
  6. Step 6: Final answer
    x = 13,849.11

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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.