Home / 18,191.58-25,103.55-10,125.64

Finding the Fourth Proportional to 18,191.58, 25,103.55 and 10,125.64

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Solution

The fourth proportional to 18,191.58, 25,103.55 and 10,125.64 is: 13,972.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,191.58 : 25,103.55 = 10,125.64 : x
  2. Step 2: Convert to fraction form
    18,191.58/25,103.55 = 10,125.64/x
  3. Step 3: Cross multiply
    18,191.58x = 25,103.55 × 10,125.64
  4. Step 4: Simplify right side
    18,191.58x = 254,189,510.02
  5. Step 5: Solve for x
    x = 254,189,510.02/18,191.58
  6. Step 6: Final answer
    x = 13,972.92

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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.