Home / 13,717.02-20,571.28-4,950.80

Finding the Fourth Proportional to 13,717.02, 20,571.28 and 4,950.80

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Solution

The fourth proportional to 13,717.02, 20,571.28 and 4,950.80 is: 7,424.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,717.02 : 20,571.28 = 4,950.80 : x
  2. Step 2: Convert to fraction form
    13,717.02/20,571.28 = 4,950.80/x
  3. Step 3: Cross multiply
    13,717.02x = 20,571.28 × 4,950.80
  4. Step 4: Simplify right side
    13,717.02x = 101,844,177.79
  5. Step 5: Solve for x
    x = 101,844,177.79/13,717.02
  6. Step 6: Final answer
    x = 7,424.66

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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.