Home / 13,471.02-20,206.53-5,151.87

Finding the Fourth Proportional to 13,471.02, 20,206.53 and 5,151.87

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Solution

The fourth proportional to 13,471.02, 20,206.53 and 5,151.87 is: 7,727.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,471.02 : 20,206.53 = 5,151.87 : x
  2. Step 2: Convert to fraction form
    13,471.02/20,206.53 = 5,151.87/x
  3. Step 3: Cross multiply
    13,471.02x = 20,206.53 × 5,151.87
  4. Step 4: Simplify right side
    13,471.02x = 104,101,415.71
  5. Step 5: Solve for x
    x = 104,101,415.71/13,471.02
  6. Step 6: Final answer
    x = 7,727.81

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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.