Home / 18,503.31-25,534.05-10,119.63

Finding the Fourth Proportional to 18,503.31, 25,534.05 and 10,119.63

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Solution

The fourth proportional to 18,503.31, 25,534.05 and 10,119.63 is: 13,964.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,503.31 : 25,534.05 = 10,119.63 : x
  2. Step 2: Convert to fraction form
    18,503.31/25,534.05 = 10,119.63/x
  3. Step 3: Cross multiply
    18,503.31x = 25,534.05 × 10,119.63
  4. Step 4: Simplify right side
    18,503.31x = 258,395,087.80
  5. Step 5: Solve for x
    x = 258,395,087.80/18,503.31
  6. Step 6: Final answer
    x = 13,964.80

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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.