Home / 13,098.78-19,628.94-8,153.34

Finding the Fourth Proportional to 13,098.78, 19,628.94 and 8,153.34

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Solution

The fourth proportional to 13,098.78, 19,628.94 and 8,153.34 is: 12,218.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,098.78 : 19,628.94 = 8,153.34 : x
  2. Step 2: Convert to fraction form
    13,098.78/19,628.94 = 8,153.34/x
  3. Step 3: Cross multiply
    13,098.78x = 19,628.94 × 8,153.34
  4. Step 4: Simplify right side
    13,098.78x = 160,041,421.66
  5. Step 5: Solve for x
    x = 160,041,421.66/13,098.78
  6. Step 6: Final answer
    x = 12,218.04

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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.