Home / 13,262.42-19,887.25-7,717.01

Finding the Fourth Proportional to 13,262.42, 19,887.25 and 7,717.01

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Solution

The fourth proportional to 13,262.42, 19,887.25 and 7,717.01 is: 11,571.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,262.42 : 19,887.25 = 7,717.01 : x
  2. Step 2: Convert to fraction form
    13,262.42/19,887.25 = 7,717.01/x
  3. Step 3: Cross multiply
    13,262.42x = 19,887.25 × 7,717.01
  4. Step 4: Simplify right side
    13,262.42x = 153,470,107.12
  5. Step 5: Solve for x
    x = 153,470,107.12/13,262.42
  6. Step 6: Final answer
    x = 11,571.80

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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.