Home / 15,917.64-23,868.25-7,145.03

Finding the Fourth Proportional to 15,917.64, 23,868.25 and 7,145.03

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Solution

The fourth proportional to 15,917.64, 23,868.25 and 7,145.03 is: 10,713.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,917.64 : 23,868.25 = 7,145.03 : x
  2. Step 2: Convert to fraction form
    15,917.64/23,868.25 = 7,145.03/x
  3. Step 3: Cross multiply
    15,917.64x = 23,868.25 × 7,145.03
  4. Step 4: Simplify right side
    15,917.64x = 170,539,362.30
  5. Step 5: Solve for x
    x = 170,539,362.30/15,917.64
  6. Step 6: Final answer
    x = 10,713.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.