Home / 18,074.14-24,936.63-10,115.10

Finding the Fourth Proportional to 18,074.14, 24,936.63 and 10,115.10

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Solution

The fourth proportional to 18,074.14, 24,936.63 and 10,115.10 is: 13,955.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,074.14 : 24,936.63 = 10,115.10 : x
  2. Step 2: Convert to fraction form
    18,074.14/24,936.63 = 10,115.10/x
  3. Step 3: Cross multiply
    18,074.14x = 24,936.63 × 10,115.10
  4. Step 4: Simplify right side
    18,074.14x = 252,236,506.11
  5. Step 5: Solve for x
    x = 252,236,506.11/18,074.14
  6. Step 6: Final answer
    x = 13,955.66

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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.