Home / 14,913.02-20,579.91-8,199.07

Finding the Fourth Proportional to 14,913.02, 20,579.91 and 8,199.07

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Solution

The fourth proportional to 14,913.02, 20,579.91 and 8,199.07 is: 11,314.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,913.02 : 20,579.91 = 8,199.07 : x
  2. Step 2: Convert to fraction form
    14,913.02/20,579.91 = 8,199.07/x
  3. Step 3: Cross multiply
    14,913.02x = 20,579.91 × 8,199.07
  4. Step 4: Simplify right side
    14,913.02x = 168,736,122.68
  5. Step 5: Solve for x
    x = 168,736,122.68/14,913.02
  6. Step 6: Final answer
    x = 11,314.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.