Home / 18,191.70-25,107.62-10,533.87

Finding the Fourth Proportional to 18,191.70, 25,107.62 and 10,533.87

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Solution

The fourth proportional to 18,191.70, 25,107.62 and 10,533.87 is: 14,538.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,191.70 : 25,107.62 = 10,533.87 : x
  2. Step 2: Convert to fraction form
    18,191.70/25,107.62 = 10,533.87/x
  3. Step 3: Cross multiply
    18,191.70x = 25,107.62 × 10,533.87
  4. Step 4: Simplify right side
    18,191.70x = 264,480,352.42
  5. Step 5: Solve for x
    x = 264,480,352.42/18,191.70
  6. Step 6: Final answer
    x = 14,538.52

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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.