Home / 14,486.24-19,989.32-8,113.20

Finding the Fourth Proportional to 14,486.24, 19,989.32 and 8,113.20

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Solution

The fourth proportional to 14,486.24, 19,989.32 and 8,113.20 is: 11,195.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,486.24 : 19,989.32 = 8,113.20 : x
  2. Step 2: Convert to fraction form
    14,486.24/19,989.32 = 8,113.20/x
  3. Step 3: Cross multiply
    14,486.24x = 19,989.32 × 8,113.20
  4. Step 4: Simplify right side
    14,486.24x = 162,177,351.02
  5. Step 5: Solve for x
    x = 162,177,351.02/14,486.24
  6. Step 6: Final answer
    x = 11,195.27

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1.5x scale

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.