Home / 17,122.72-25,688.64-7,262.40

Finding the Fourth Proportional to 17,122.72, 25,688.64 and 7,262.40

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Solution

The fourth proportional to 17,122.72, 25,688.64 and 7,262.40 is: 10,895.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,122.72 : 25,688.64 = 7,262.40 : x
  2. Step 2: Convert to fraction form
    17,122.72/25,688.64 = 7,262.40/x
  3. Step 3: Cross multiply
    17,122.72x = 25,688.64 × 7,262.40
  4. Step 4: Simplify right side
    17,122.72x = 186,561,179.14
  5. Step 5: Solve for x
    x = 186,561,179.14/17,122.72
  6. Step 6: Final answer
    x = 10,895.53

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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.