Home / 18,499.04-25,528.20-10,115

Finding the Fourth Proportional to 18,499.04, 25,528.20 and 10,115

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Solution

The fourth proportional to 18,499.04, 25,528.20 and 10,115 is: 13,958.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,499.04 : 25,528.20 = 10,115 : x
  2. Step 2: Convert to fraction form
    18,499.04/25,528.20 = 10,115/x
  3. Step 3: Cross multiply
    18,499.04x = 25,528.20 × 10,115
  4. Step 4: Simplify right side
    18,499.04x = 258,217,743
  5. Step 5: Solve for x
    x = 258,217,743/18,499.04
  6. Step 6: Final answer
    x = 13,958.44

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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.